80+ Yanbu Cement Company Interview Questions and Answers

Domain is a centralized network where all computers are managed by a server while workgroup is a decentralized network where each computer manages itself.

• Domain is managed by a server while workgroup is not.

• Domain allows for centralized management of users, computers, and resources while workgroup does not.

• Domain requires a domain controller while workgroup does not.

• Domain is more secure than workgroup.

• Examples of domain: Microsoft Active Directory, Novell eDirectory. Example...read more

To troubleshoot HPE hardware not booting, check power supply, cables, BIOS settings, hardware connections, and perform diagnostics.

• Check power supply and ensure it is properly connected and functioning

• Inspect cables and connections to ensure they are secure and undamaged

• Verify BIOS settings and ensure they are correctly configured for booting

• Check hardware connections such as RAM, hard drives, and expansion cards

• Perform diagnostics using HPE tools or built-in diagnostics to i...read more

Different diagnostic tools are used for HP, Dell, and Lenovo for troubleshooting hardware and software issues.

• HP has its own hardware diagnostic tool called HP PC Hardware Diagnostics.

• Dell has a built-in diagnostic tool called Dell Diagnostics.

• Lenovo has a diagnostic tool called Lenovo Solution Center.

• HP and Dell also have software diagnostic tools for troubleshooting software issues.

• HP has HP Support Assistant and Dell has Dell SupportAssist.

• Lenovo has Lenovo System Update f...read more

I start by checking the power source and then move on to inspecting the hardware components.

• Check if the power source is working properly

• Inspect the power cable and adapter for any damages

• Check if the battery is charged or needs replacement

• Inspect the hardware components such as RAM, motherboard, and CPU for any damages

• Check if there are any loose connections or cables

• Use diagnostic tools to identify any software issues

SMPS is a type of power supply that efficiently converts electrical power by switching the input voltage on and off.

• SMPS is commonly used in electronic devices to provide a stable and efficient power supply.

• It operates by rapidly switching the input voltage on and off at a high frequency.

• This switching action allows SMPS to regulate the output voltage and current levels.

• SMPS are smaller and lighter than traditional linear power supplies.

• Examples of devices that use SMPS inclu...read more

Troubleshooting steps for a system not powering on

• Check power source and connections

• Inspect power supply unit for any issues

• Test with a different power cable or outlet

• Check for any visible damage to the system components

• Reset BIOS settings if necessary

Hardware of a computer refers to the physical components that make up a computer system.

• Hardware includes components such as the motherboard, CPU, RAM, hard drive, and graphics card.

• It also includes peripherals like the keyboard, mouse, and monitor.

• Hardware can be categorized into internal and external components.

• Internal components are housed inside the computer case, while external components are connected externally.

• Understanding hardware is essential for troubleshooting a...read more

GPT allows up to 128 partitions.

• GPT stands for GUID Partition Table.

• It is a newer partitioning scheme compared to MBR.

• GPT allows up to 128 partitions.

• Each partition is identified by a unique GUID.

• GPT is required for disks larger than 2 TB.

To troubleshoot a heating issue, I would start by checking the thermostat settings and air filters.

• Check thermostat settings and ensure they are set to the desired temperature

• Check air filters and replace if dirty or clogged

• Check for any blockages in the air ducts

• Inspect the heating system for any visible damage or malfunctions

• If necessary, call a professional HVAC technician for further diagnosis and repair

Blue screen and black screen errors are system errors that occur when the operating system crashes or stops working.

• Blue screen error, also known as the Blue Screen of Death (BSOD), is a system error that occurs when the operating system encounters a critical error and cannot recover.

• Black screen error is a system error that occurs when the operating system crashes and the screen turns black, indicating that the system is not responding.

• Both errors can be caused by hardware o...read more

Blue screen error is a system crash in Windows OS caused by a fatal system error. It requires troubleshooting to rectify.

• Blue screen error, also known as the 'Blue Screen of Death' (BSOD), is a stop error that occurs in Windows operating systems.

• It is caused by a fatal system error that forces the computer to crash and display a blue screen with error codes.

• Common causes include hardware or driver issues, incompatible software, memory problems, or system file corruption.

• To re...read more

There are two main types of SSDs: SATA and NVMe.

• SATA SSDs are the most common and use the same interface as traditional hard drives.

• NVMe SSDs are faster and use a different interface that connects directly to the motherboard.

• Other types of SSDs include PCIe SSDs and U.2 SSDs.

• PCIe SSDs use the PCIe interface and are commonly used in high-performance gaming PCs.

• U.2 SSDs are similar to NVMe SSDs but use a different physical connector.

• SSDs can also be classified by their form fac...read more

I have 5 years of experience in hardware support.

• I have worked as a hardware support technician for 5 years.

• During this time, I have gained experience in troubleshooting hardware issues, replacing faulty components, and performing routine maintenance.

• I have also worked with a variety of hardware, including desktops, laptops, servers, and peripherals.

• I am familiar with both Windows and Mac operating systems, and have experience with hardware and software installation and confi...read more

I will check the connections and troubleshoot the hardware and software components.

• Check if the monitor is properly connected to the computer

• Check if the monitor is turned on and the brightness is adjusted

• Check if the graphics card is properly installed and updated

• Check if the cables are not damaged or loose

• Check if the computer is booting up properly

• Run diagnostic tests to identify the issue

DNS resolves domain names to IP addresses. Firewall blocks unauthorized access to a network. Gateway connects networks.

• DNS stands for Domain Name System and translates domain names to IP addresses

• Firewall is a security system that monitors and controls incoming and outgoing network traffic

• Gateway is a network node that connects two different networks

• Examples of gateways include routers and switches

I have 5 years of experience in desktop support.

• 5 years of experience in providing desktop support to clients

• Proficient in troubleshooting hardware and software issues

• Skilled in remote desktop support and ticket management

• Experience in setting up and configuring desktops and laptops

• Familiarity with various operating systems such as Windows and macOS

To find no display issue, check cables, monitor, graphics card, and drivers. Rectify by replacing faulty hardware or updating drivers.

• Check if cables are properly connected

• Check if monitor is turned on and functioning

• Check graphics card and drivers

• Try connecting to a different monitor

• Replace faulty hardware or update drivers

Yes, I can repair both laptops and desktops.

• I have experience repairing both laptops and desktops.

• I am familiar with common hardware and software issues on both types of devices.

• I have successfully repaired laptops and desktops in the past.

• I have the necessary tools and knowledge to troubleshoot and fix issues on both types of devices.

To create a domain, you need to register a unique domain name and purchase it from a domain registrar.

• Choose a unique domain name that represents your brand or business

• Check if the domain name is available using a domain registrar

• Purchase the domain name from the registrar

• Set up DNS records to point the domain to your website or hosting provider

To configure MS Outlook, you need to add an email account and set up the server settings.

• Open Outlook and click on File

• Click on Add Account and enter your email address

• Enter your password and click on Connect

• If the account is not automatically configured, enter the server settings manually

• Test the account settings and click on Finish

Outlook is a popular email client and personal information manager developed by Microsoft.

• Outlook is used for managing emails, calendars, contacts, tasks, and notes.

• To configure Outlook, you need to have the email account details such as email address, username, password, and server settings.

• Open Outlook and go to the File tab, then click on Add Account.

• Enter your email address and click on Connect.

• Follow the on-screen instructions to enter your username, password, and server...read more

Updating dim refers to updating the dimensions of a customer support engineer's knowledge and skills.

• Dim refers to the knowledge and skills of the customer support engineer.

• Updating dim involves continuously learning and staying updated with the latest technologies and solutions.

• Examples of updating dim include attending training sessions, reading technical articles, and participating in workshops.

Advanced BIOS refers to the updated version of the Basic Input/Output System (BIOS) that provides more features and functionalities.

• Advanced BIOS offers more customization options for hardware settings.

• It can support larger hard drives and faster boot times.

• It can also provide better security features such as password protection and secure boot.

• Examples of advanced BIOS include UEFI (Unified Extensible Firmware Interface) and ACPI (Advanced Configuration and Power Interface).

RAM is a type of computer memory, hard disk is a storage device. If no power in laptop, check power source, battery, and charger.

• RAM is a volatile memory that stores data temporarily while the computer is running

• Hard disk is a non-volatile storage device that stores data permanently

• If no power in laptop, check power source, battery, and charger

• Try to charge the laptop and turn it on again

• If the laptop still doesn't turn on, try removing the battery and using only the charger

• I...read more

To rectify a network issue, identify the root cause by checking hardware, software, and network configurations.

• Check physical connections and cables

• Verify network settings and configurations

• Use network diagnostic tools to identify issues

• Check for software updates and patches

• Investigate potential security breaches or malware infections

Yes, troubleshooting involves identifying and resolving issues in a systematic manner.

• Troubleshooting is the process of identifying and resolving problems or issues.

• It involves gathering information about the issue, analyzing the data, and finding a solution.

• Common troubleshooting techniques include isolating the problem, testing possible solutions, and implementing fixes.

• Examples of troubleshooting tasks include fixing network connectivity issues, resolving software errors, ...read more

I am familiar with various operating systems including Windows, Linux, and macOS.

• Windows

• Linux

• macOS

Outlook 365, Online Archive, OST vs PST, Path of PST, Incident vs Service Request

• Outlook 365 is a cloud-based email service by Microsoft

• Online Archive is a feature in Outlook 365 that allows users to store old emails in the cloud

• OST is an offline Outlook data file used for cached Exchange mode

• PST is a personal data file used to store Outlook data locally

• The default path of PST is C:\Users\\Documents\Outlook Files

• An incident is an unplanned interruption to an IT service, while...read more

I would investigate other possible causes of the BSOD error, such as driver issues or software conflicts.

• Check for any recent driver updates or installations that may be causing conflicts

• Run diagnostic tests to check for hardware issues beyond the motherboard

• Review any recent changes or updates made to the system that could be causing the error

• Consider reinstalling the operating system as a last resort if all other troubleshooting steps fail

A network is a group of interconnected devices that can communicate with each other. A server is a computer that provides services to other devices.

• A network is a collection of devices that are connected together to share resources and information.

• A server is a computer that provides services to other devices on the network.

• There are several types of servers, including file servers, web servers, email servers, and database servers.

• File servers store and manage files that can ...read more

VPN is a secure connection to a network over the internet. IP address is a unique identifier for devices on a network, while MAC address is a unique identifier for network interfaces.

• VPN allows remote access to a network through a secure connection

• IP address is used to identify devices on a network and can be dynamic or static

• MAC address is a unique identifier for network interfaces and is assigned by the manufacturer

• To troubleshoot VPN, check network connectivity, firewall s...read more

Beep sounds can be identified by their frequency, duration, and pattern.

• Listen carefully to the beep sound and try to identify its frequency.

• Note the duration of the beep sound.

• Observe if there is any pattern to the beep sound.

• Use a sound meter to measure the decibel level of the beep sound.

• Compare the beep sound to known beep sounds to identify it.

• Consult the device manual or manufacturer for information on the beep sound.

Deem display can be identified by checking for distorted or stretched images on the screen.

• Check for distorted or stretched images on the screen

• Look for pixelation or blurring of the display

• Check for color inconsistencies or abnormal brightness levels

• Test the display with different resolutions and refresh rates

• Check for physical damage or defects on the screen

Yes, I have experience in software installation.

• I have installed various software applications on both Windows and Mac operating systems.

• I am familiar with the process of downloading software from the internet and following installation instructions.

• I have experience in troubleshooting software installation issues and resolving them.

• I have installed software for both personal use and in professional settings.

• I am comfortable working with different types of software, including...read more

I would troubleshoot the issue by checking for physical damage, testing the key in different applications, and potentially replacing the keyboard if necessary.

• Check for physical damage to the F2 key and surrounding area

• Test the F2 key in different applications to see if the issue is software-related

• Try using an external keyboard to see if the issue is with the laptop's keyboard

• If necessary, replace the keyboard with a new one

AD stands for Active Directory, a directory service developed by Microsoft for Windows domain networks. There are two types of groups in AD: Security groups and Distribution groups.

• Active Directory (AD) is a directory service developed by Microsoft for Windows domain networks.

• Security groups in AD are used to manage user and computer access to shared resources.

• Distribution groups in AD are used for sending emails to multiple recipients.

• Examples: Domain Admins (security group)...read more

Answering questions related to system shutdown and clock-rate

• If the system is not responding, try to force shutdown by pressing and holding the power button

• Check the power supply and cables to ensure they are properly connected

• Basic clock-rate is the speed at which a processor executes instructions, measured in GHz

• Higher clock-rate means faster processing but also higher power consumption and heat generation

I install the Windows operating system on my PC.

• I prefer using Windows as it is user-friendly and widely compatible with software and hardware.

• Windows provides a familiar interface and a wide range of software options.

• It offers regular updates and support from Microsoft.

• Examples: Windows 10, Windows 8.1, Windows 7.

Desktop Support Engineers are responsible for providing technical assistance to users, troubleshooting hardware and software issues, and maintaining computer systems.

• Provide technical support to end users for hardware and software issues

• Install, configure, and troubleshoot computer systems and peripherals

• Maintain and update documentation of IT systems and procedures

• Ensure security and compliance of IT systems

• Train users on new technologies and software applications

To find and solve problems, a Computer Hardware Support Engineer can follow these steps:

• Identify the problem by gathering information from the user or through diagnostic tools

• Analyze the symptoms and potential causes of the problem

• Troubleshoot the hardware components or software configurations related to the issue

• Apply logical reasoning and technical knowledge to determine the root cause

• Implement appropriate solutions, which may involve repairing or replacing faulty hardware,...read more

iLO IP stands for Integrated Lights-Out IP. It is a management processor embedded in HP ProLiant servers for remote server management.

• iLO IP is used to remotely manage and monitor HP ProLiant servers.

• It provides features like power control, remote console access, and virtual media support.

• iLO IP allows administrators to perform tasks without physically being present at the server location.

• It has its own dedicated IP address for remote access.

• iLO IP can be accessed through a w...read more

SSD, CMOS, motherboard, and processor family are all essential components of a computer system.

• SSD (Solid State Drive) is a storage device that uses flash memory to store data.

• CMOS (Complementary Metal-Oxide-Semiconductor) is a type of chip that stores the BIOS settings.

• Motherboard is the main circuit board that connects all the components of a computer.

• Processor family refers to a group of CPUs that share similar architecture and features.

• System requirements vary depending o...read more

Yes, Excel sheet is a spreadsheet program developed by Microsoft.

• Excel sheet is used for organizing, analyzing and storing data in a tabular format.

• It allows users to perform calculations, create charts and graphs, and automate tasks using macros.

• Excel sheet supports various functions and formulas for data manipulation and analysis.

• It can be used for budgeting, financial analysis, project management, and many other purposes.

• Examples of Excel sheet features include conditional...read more

FSMO (Flexible Single Master Operations) roles are specialized Active Directory domain controller tasks.

• There are five FSMO roles: Schema Master, Domain Naming Master, RID Master, PDC Emulator, and Infrastructure Master.

• Schema Master: responsible for maintaining the schema of the AD domain.

• Domain Naming Master: responsible for adding or removing domains in the AD forest.

• RID Master: responsible for allocating RIDs (Relative Identifiers) to domain controllers.

• PDC Emulator: resp...read more

RAM is volatile memory used for temporary storage, while ROM is non-volatile memory used for permanent storage.

• RAM stands for Random Access Memory and is used for temporary storage of data and program instructions.

• ROM stands for Read-Only Memory and is used for permanent storage of data and program instructions.

• RAM is volatile, meaning it loses its data when the power is turned off, while ROM is non-volatile and retains its data even when the power is off.

• Examples of RAM incl...read more

There is no such thing as an error cord 512.

• There is no known error cord 512 in computer hardware and networking.

• It is possible that the interviewer made a mistake in phrasing the question.

• As an engineer, it is important to clarify and ask for more information when faced with unclear questions.

Components of a server include CPU, RAM, hard drives, power supply, and network interface cards.

• CPU (Central Processing Unit) - processes data

• RAM (Random Access Memory) - stores data temporarily

• Hard drives - stores data permanently

• Power supply - provides power to the server

• Network interface cards - connects the server to a network

Shorting SMPS involves bridging the green and black wires. Problems can be found through testing voltage and current.

• To short SMPS, bridge the green and black wires on the 24-pin connector

• Use a multimeter to test voltage and current on the various connectors

• Check for blown capacitors or burnt components on the SMPS board

• Ensure proper grounding and connections between the SMPS and other components

RAID stands for Redundant Array of Independent Disks. There are several types of RAID configurations.

• RAID 0 - Striping

• RAID 1 - Mirroring

• RAID 5 - Striping with parity

• RAID 6 - Striping with double parity

• RAID 10 - Combining RAID 0 and RAID 1

• RAID 50 - Combining RAID 5 and RAID 0

• RAID 60 - Combining RAID 6 and RAID 0

Servers can be classified based on their purpose and functionality.

• Web servers

• Application servers

• Database servers

• Mail servers

• File servers

• Print servers

• Proxy servers

• Virtual servers

To set manual up assgen, follow these steps:

• Open the assgen software

• Click on the 'Manual Setup' option

• Enter the required parameters such as IP address, subnet mask, gateway, DNS server, etc.

• Save the settings and exit the software

Yes, I can assemble a PC.

• I have experience in assembling PCs and have done it multiple times.

• I am familiar with the different components of a PC and their functions.

• I can connect the motherboard, CPU, RAM, storage devices, and power supply correctly.

• I can install the operating system and necessary drivers.

• I can troubleshoot and fix any hardware or software issues that may arise during the assembly process.

Routing is the process of selecting the best path for network traffic to reach its destination.

• Routing involves analyzing the destination address of network packets and determining the best path for them to reach their destination

• Routing protocols like OSPF, BGP, and RIP are used to exchange routing information between routers

• Routing tables are used by routers to determine the next hop for network traffic

• Static routing involves manually configuring routes, while dynamic routi...read more

Active Directory is a Microsoft service that manages network resources and user accounts.

• It is used to authenticate and authorize users and computers in a Windows domain network.

• It stores information about users, groups, computers, and other network resources.

• It provides a centralized location for managing network resources and security policies.

• It allows administrators to delegate administrative tasks to other users or groups.

• It can be used to manage access to network resour...read more

DNS translates domain names to IP addresses. DHCP assigns IP addresses to devices on a network.

• DNS stands for Domain Name System

• DNS translates domain names to IP addresses

• DHCP stands for Dynamic Host Configuration Protocol

• DHCP assigns IP addresses to devices on a network

• DNS and DHCP are both essential for network communication

Speaker problem can be resolved by checking the connections, updating drivers, and troubleshooting hardware issues.

• Check if the speaker is properly connected to the device

• Ensure that the volume is not muted or turned down too low

• Update the audio drivers

• Run the troubleshooter to identify and fix any hardware issues

• Try using a different set of speakers or headphones to isolate the problem

To install an operating system, you need to boot from installation media, follow prompts, select installation options, and wait for the process to complete.

• Create a bootable installation media (USB, DVD)

• Restart the computer and boot from the installation media

• Follow the on-screen prompts to select language, time zone, and keyboard layout

• Choose the installation type (upgrade or clean install)

• Select the destination drive and partition for the OS installation

• Wait for the install...read more

PST and OST are file formats used by Microsoft Outlook to store email, contacts, and other data.

• PST stands for Personal Storage Table and is used for storing data locally on a user's computer.

• OST stands for Offline Storage Table and is used for storing data when Outlook is configured to work in offline mode.

• Both file formats can be accessed and synchronized with the Exchange server.

• PST files can be imported/exported to transfer data between different Outlook installations.

• OST...read more

OSI model is a conceptual framework that standardizes the functions of a communication system into seven different layers.

• OSI model stands for Open Systems Interconnection model.

• It was developed by the International Organization for Standardization (ISO) in 1984.

• The model divides the communication process into seven layers, each responsible for specific functions.

• The layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer interac...read more

Desktop engineering role involves providing technical support for desktop computers, laptops, and peripherals within an organization.

• Installing, configuring, and maintaining desktop hardware and software

• Troubleshooting hardware and software issues

• Providing technical support to end users

• Ensuring security and compliance of desktop systems

• Collaborating with other IT teams for system upgrades and deployments

Error cord is not a known term in computer hardware and networking engineering.

• There is no such thing as an error cord in computer hardware and networking engineering.

• It is possible that the interviewer meant to ask about an error code.

• An error code is a message displayed by a computer program or device to indicate that an error has occurred.

Yes, I know outlook configuration.

• I am familiar with setting up and configuring Outlook email accounts.

• I can troubleshoot common issues related to Outlook configuration.

• I have experience in configuring email servers, SMTP, POP, and IMAP settings.

• I am proficient in configuring Outlook profiles, adding email accounts, and setting up email signatures.

• I can assist users in configuring Outlook for mobile devices and syncing email across multiple devices.

There are two main types of hard disks: HDD (Hard Disk Drive) and SSD (Solid State Drive).

• HDD (Hard Disk Drive) - traditional spinning disk storage

• SSD (Solid State Drive) - faster and more reliable storage using flash memory

• Hybrid drives - combination of HDD and SSD technologies

Routing is the process of selecting a path for network traffic to travel from one network to another.

• Routing involves determining the best path for data to travel through a network

• Routers are used to direct traffic between networks

• Routing protocols such as OSPF and BGP are used to exchange routing information between routers

• Routing tables are used to store information about network topology and available paths

• Examples of routing algorithms include distance-vector and link-sta...read more

A network is a group of interconnected devices that can communicate and share resources.

• Networks can be wired or wireless

• Devices on a network can include computers, printers, routers, and servers

• Networks can be local (LAN) or wide area (WAN)

• Networks can be used for sharing files, printers, and internet access

• Networks can be secured with firewalls and other security measures

To take a screenshot in Mac, use the keyboard shortcuts or the Grab application.

• Press Command + Shift + 3 to capture the entire screen

• Press Command + Shift + 4 to capture a selected portion of the screen

• Use the Grab application for more advanced screenshot options

• Screenshots are saved to the desktop by default

To join a PC in a domain, you need to access the system properties and change the computer name and domain settings.

• Access system properties by right-clicking on 'This PC' and selecting 'Properties'.

• Click on 'Change settings' under 'Computer name, domain, and workgroup settings'.

• Click on 'Change' to enter the domain name and credentials to join the PC to the domain.

• Restart the PC for the changes to take effect.

There are various types of printers available in the market, each with its own unique features and capabilities.

• Inkjet printers

• Laser printers

• Dot matrix printers

• 3D printers

• Thermal printers

• Portable printers

Troubleshooting involves identifying and resolving technical issues in computer hardware.

• Gather information about the problem from the user

• Use diagnostic tools to identify the root cause of the issue

• Develop and implement a solution to resolve the issue

• Test the solution to ensure it has resolved the problem

• Document the troubleshooting process and solution for future reference

To configure a switch, access its command line interface and use commands to set up VLANs, assign IP addresses, and configure ports.

• Connect to the switch using a console cable or remotely via SSH or Telnet

• Access the command line interface using a username and password

• Configure VLANs to segment network traffic

• Assign IP addresses to the switch and its interfaces

• Configure ports for specific functions such as access or trunk

• Save the configuration to non-volatile memory

A dumb error in a system is a simple mistake or oversight that could have easily been avoided.

• Dumb errors can include typos in configuration settings, incorrect cable connections, or forgetting to power on a device.

• These errors are often easy to fix once identified, but can cause significant downtime if not caught quickly.

• Examples of dumb errors include forgetting to plug in a network cable, misconfiguring an IP address, or overlooking a software update.

• Proper documentation a...read more

Minimum hardware refers to the lowest specifications required for a system to function properly.

• Minimum hardware requirements vary depending on the software or system being used

• Typically includes specifications such as processor speed, RAM, storage space, and graphics capabilities

• Example: Minimum hardware for Windows 10 includes 1 GHz processor, 1 GB RAM, and 16 GB storage

BIOS recovery is the process of restoring the BIOS firmware to its original state in case of corruption or failure.

• BIOS recovery is typically done using a special key combination or a recovery disk.

• It is important to follow manufacturer instructions carefully during the recovery process.

• BIOS recovery is often necessary when a failed BIOS update causes the system to become unbootable.

To configure Outlook, you need to open the application, enter your email address and password, and set up the server settings.

• Open Outlook application

• Click on 'File' and then 'Add Account'

• Enter your email address and password

• Follow the prompts to set up server settings (IMAP/POP and SMTP)

• Click 'Finish' to complete the configuration

The type of processor refers to the brand and model of the central processing unit (CPU) in a computer system.

• Intel Core i7

• AMD Ryzen 5

• Qualcomm Snapdragon 855

PC parts are components that make up a computer system, including the CPU, motherboard, RAM, storage devices, and peripherals.

• CPU (Central Processing Unit) - the brain of the computer that performs calculations and executes instructions

• Motherboard - the main circuit board that connects all the components together

• RAM (Random Access Memory) - temporary storage for data and instructions that the CPU needs to access quickly

• Storage devices - such as hard drives or solid-state driv...read more

TCP is a connection-oriented protocol while UDP is a connectionless protocol.

• TCP provides reliable, ordered, and error-checked delivery of data while UDP does not guarantee any of these.

• TCP is slower but more reliable while UDP is faster but less reliable.

• TCP is used for applications that require high reliability and accuracy such as email, file transfer, and web browsing while UDP is used for applications that require speed and efficiency such as online gaming and video stre...read more

BIOS stands for Basic Input/Output System. It is a firmware used to perform hardware initialization during the booting process.

• BIOS is a firmware that is stored on a chip on the computer's motherboard.

• It is responsible for initializing and testing hardware components during the boot process.

• BIOS provides the basic instructions for the operating system to communicate with hardware devices.

• It can be accessed and configured through the BIOS setup utility.

• BIOS settings can be use...read more

Cat6 has higher bandwidth and faster data transfer rate than Cat5.

• Cat6 has a higher frequency of 250 MHz compared to Cat5's 100 MHz.

• Cat6 has stricter specifications for crosstalk and system noise.

• Cat6 can support 10 Gigabit Ethernet up to 55 meters, while Cat5 can only support up to 100 Mbps.

• Cat6 cables are thicker and less flexible than Cat5 cables.

• Cat6 cables are more expensive than Cat5 cables.

IDHCP stands for Internet Dynamic Host Configuration Protocol.

• IDHCP is a protocol used to assign IP addresses dynamically to devices on a network.

• It allows devices to obtain necessary network configuration information automatically.

• IDHCP servers are responsible for assigning IP addresses and other network parameters.

• It is commonly used in home and business networks.

• IDHCP can also be used to assign IP addresses to virtual machines in a virtualized environment.

Switch connects devices within a network while router connects networks together.

• Switch operates at layer 2 of OSI model while router operates at layer 3.

• Switch forwards data packets to the intended device based on MAC address.

• Router forwards data packets to the intended network based on IP address.

• Switch is used in LAN while router is used in WAN.

• Example of switch: Cisco Catalyst 2960. Example of router: Cisco ISR 4000.

Antivirus is a software program designed to detect and remove malicious software from a computer system.

• Antivirus software scans files and programs on a computer for known patterns of malicious code.

• It helps protect against viruses, worms, trojans, spyware, and other types of malware.

• Antivirus programs often include real-time scanning, automatic updates, and quarantine features.

• Popular examples of antivirus software include Norton, McAfee, and Avast.

NIC stands for Network Interface Card. It is used to connect a computer to a network.

• NIC allows a computer to communicate with other devices on a network.

• It provides a physical connection between the computer and the network.

• NIC can be wired or wireless.

• It has a unique MAC address that identifies the device on the network.

• Examples of NIC include Ethernet cards, Wi-Fi adapters, and Bluetooth adapters.

The laptop can be opened by lifting the lid/screen upwards from the base.

• Most laptops have a hinge mechanism that allows the lid/screen to be lifted upwards from the base.

• Some laptops may have additional latches or buttons that need to be pressed before the lid/screen can be opened.

• It is important to handle the laptop with care while opening to avoid any damage to the screen or hinge mechanism.