M&G Global Services Interview Questions and Answers

BIOS stands for Basic Input/Output System. It is a firmware that initializes hardware during the boot process.

• BIOS is responsible for performing a Power-On Self Test (POST) to check if all hardware components are functioning properly.

• It also provides a set of low-level software routines that allow the operating system to communicate with hardware devices.

• BIOS settings can be accessed and modified through a setup utility, which can be accessed during the boot process by pressi...read more

To solve system hang-up issue, try restarting the system, checking for malware, updating drivers, and freeing up disk space.

• Restart the system and check if the issue persists

• Check for malware and viruses using antivirus software

• Update drivers for hardware components

• Free up disk space by deleting unnecessary files and programs

RAM is required in a system to store and access data quickly.

• RAM stands for Random Access Memory

• It is a volatile memory that stores data temporarily

• The CPU can access data from RAM much faster than from a hard drive

• The amount of RAM affects the system's performance

• Multitasking is possible due to RAM

• Examples of RAM include DDR3, DDR4, and SDRAM

The CPU consists of three main components: the control unit, the arithmetic logic unit, and the cache.

• The control unit manages the flow of data and instructions within the CPU.

• The arithmetic logic unit performs mathematical and logical operations.

• The cache is a small amount of memory used to store frequently accessed data.

• Other components include registers, buses, and clock generators.

• Examples of CPUs include Intel Core i7, AMD Ryzen, and ARM Cortex-A53.

Customer support is the assistance provided to customers before, during, and after a purchase.

• Customer support involves addressing customer queries and concerns

• It includes providing technical assistance and troubleshooting

• Customer support can be provided through various channels such as phone, email, chat, and social media

• The goal of customer support is to ensure customer satisfaction and retention

• Examples of customer support include helping a customer set up a new product, r...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 programs while the computer is running.

• ROM stands for Read-Only Memory and is used for permanent storage of data and programs that cannot be changed.

• RAM is volatile memory, meaning it loses its contents when the power is turned off.

• ROM is non-volatile memory, meaning it retains its conte...read more

HDD is a traditional storage device that uses spinning disks to store data, while SSD uses flash memory for faster access.

• HDD is slower and more prone to mechanical failure than SSD

• SSD is more expensive but offers faster read/write speeds

• SSD is more durable and consumes less power than HDD

• HDD is still commonly used for large storage needs, while SSD is preferred for faster performance

• Examples of SSDs include Samsung 970 EVO and Crucial MX500, while examples of HDDs include Se...read more

BSOD stands for Blue Screen of Death. It is an error screen displayed on Windows operating systems.

• BSOD is a critical system error that causes the computer to crash and display a blue screen with error codes.

• It can be caused by hardware or software issues, such as faulty drivers, memory problems, or viruses.

• BSOD can be resolved by troubleshooting the underlying issue, such as updating drivers or running virus scans.

• It is important to note down the error codes displayed on the...read more