20+ CP Plus Interview Questions and Answers

A 3+1 cable is a type of cable used in CCTV systems, with three cables for video transmission and one cable for power supply.

• A 3+1 cable consists of three cables for video transmission and one cable for power supply.

• The three video cables are typically used for transmitting the video signal from the CCTV camera to the recording device.

• The power supply cable is used to provide power to the CCTV camera.

• This type of cable is commonly used in CCTV installations to simplify the wi...read more

DVR stands for Digital Video Recorder, a device that records and stores video footage from surveillance cameras.

• DVRs are commonly used in security systems to monitor and record activity in a specific area.

• They can be connected to multiple cameras and can store footage for a certain period of time.

• DVRs can also be accessed remotely through a network connection.

• They have largely replaced analog VCRs in surveillance systems due to their higher quality and reliability.

• Examples of...read more

A power supply is a device that provides electrical energy to an electrical load.

• A power supply converts input voltage into the desired output voltage or current.

• It ensures that the electrical load receives a stable and reliable power source.

• Power supplies can be found in various electronic devices such as computers, televisions, and smartphones.

• Examples of power supplies include AC adapters, batteries, and power distribution units (PDUs).

B and C are abbreviations commonly used in the CCTV industry to refer to different types of video signals.

• B stands for Baseband video signal, which is the original unmodulated video signal.

• C stands for Composite video signal, which combines the baseband video signal with synchronization and color information.

• B and C are often used to describe different types of CCTV cameras and video transmission methods.

• For example, a BNC connector is commonly used for transmitting B or C vi...read more

A hard disk is a data storage device that uses magnetic storage to store and retrieve digital information.

• A hard disk is a non-volatile storage device that is used to store and retrieve digital data.

• It consists of one or more rigid platters coated with a magnetic material.

• Data is written and read using a magnetic head that moves across the platters.

• Hard disks are commonly used in computers, servers, and CCTV systems to store video footage.

• They provide large storage capacities...read more

To give power to a camera, you need to connect it to a power source using a power cable or adapter.

• Cameras typically require a DC power supply.

• The power cable or adapter should match the camera's power requirements.

• Ensure the power source is compatible with the camera's voltage and current needs.

• Connect the power cable to the camera's power input port.

• Plug the other end of the power cable into a power outlet or a power distribution unit (PDU).

NVR stands for Network Video Recorder.

• NVR is a device used to record and store video footage from IP cameras.

• It is connected to a network and can be accessed remotely.

• NVRs typically have built-in storage and can support multiple cameras.

• They offer advanced features like motion detection, video analytics, and remote viewing.

• NVRs are commonly used in surveillance systems for homes, businesses, and public spaces.

An adaptor is a device that allows different types of plugs or connectors to be used together.

• Adaptors can be used to convert a USB port to a serial port.

• They can also be used to convert a European plug to a UK plug.

• Adaptors can be passive or active, with active adaptors having additional circuitry to convert signals.

• Adaptors can be used in a variety of industries, including electronics, telecommunications, and power distribution.

A Quality Engineer ensures that products and services meet quality standards and customer expectations.

• Develop and implement quality control processes

• Conduct audits and inspections to identify defects and areas for improvement

• Collaborate with cross-functional teams to resolve quality issues

• Analyze data to identify trends and opportunities for improvement

• Ensure compliance with industry regulations and standards

• Provide training and support to employees on quality processes and ...read more

To install and configure an IP camera, follow these steps:

• Connect the camera to the network

• Assign an IP address to the camera

• Configure the camera settings using a web browser

• Install any necessary software or firmware updates

• Test the camera to ensure it is working properly

A processor is a central processing unit that executes instructions and performs calculations in a computer system.

• A processor is the brain of a computer system, responsible for executing instructions and performing calculations.

• It is made up of various components, including the arithmetic logic unit (ALU), control unit, and registers.

• Processors can be classified into two main types: microprocessors and microcontrollers.

• Microprocessors are used in general-purpose computers an...read more

A register stores a fixed number of bits, typically determined by the architecture of the computer system.

• The number of bits in a register can vary depending on the computer architecture.

• Common register sizes include 8 bits, 16 bits, 32 bits, and 64 bits.

• Registers are used to store data temporarily during processing.

• Example: In a 32-bit computer system, a register can store 32 bits of data.

The three types of addressing modes are immediate, direct, and indirect.

• Immediate addressing mode: The operand is directly specified in the instruction itself. Example: ADD #5

• Direct addressing mode: The operand is the address of the data. Example: ADD 500

• Indirect addressing mode: The operand is the address of a memory location that contains the address of the data. Example: ADD @500

Intensity of light can be checked using a lux meter or a photometer.

• Use a lux meter to measure the illuminance of a surface in lux units.

• Use a photometer to measure the luminous flux of a light source in lumens.

• Ensure that the meter is calibrated and the correct unit is selected.

• Measure the light intensity at different points to ensure uniformity.

• Take into account the distance between the light source and the meter.

• Consider the spectral sensitivity of the meter for accurate r...read more

A flip-flop stores one bit of information.

• A flip-flop is a basic building block of digital circuits.

• It can store either a 0 or a 1.

• It has two stable states, which represent the two possible values.

• Examples of flip-flops include D flip-flop, JK flip-flop, and T flip-flop.

A microprocessor is a small electronic device that functions as the central processing unit (CPU) of a computer.

• Microprocessors are made up of millions or billions of transistors.

• They execute instructions and perform calculations in a computer system.

• Examples of microprocessors include Intel's Pentium series and AMD's Ryzen processors.

The program counter is a register that stores the address of the next instruction to be executed by the processor.

• Program counter is a part of the processor's control unit.

• It keeps track of the execution of instructions in a program.

• The value of the program counter is incremented after each instruction is executed.

• If a branch or jump instruction is encountered, the program counter is updated to the new address.

• Example: If the program counter has a value of 100, it means the n...read more

PCB stands for Printed Circuit Board while PCBA stands for Printed Circuit Board Assembly.

• PCB is the board that contains the circuitry while PCBA is the board with the circuitry and components assembled on it.

• PCB is the foundation of electronic devices while PCBA is the final product.

• PCB is used in various industries while PCBA is commonly used in electronics manufacturing.

• PCB is usually green in color while PCBA can have various colors depending on the components used.

The value of humidity at floor depends on various factors such as temperature, ventilation, and moisture content.

• Humidity levels should be maintained between 30-60% to prevent mold growth and maintain indoor air quality.

• High humidity levels can lead to condensation on surfaces and promote the growth of bacteria and viruses.

• Low humidity levels can cause dry skin, respiratory problems, and damage to wooden furniture and floors.

• Humidity can be measured using a hygrometer or a ps...read more

ASAP stands for Accelerated SAP. It is a methodology for implementing SAP software efficiently and effectively.

• ASAP is a methodology used for implementing SAP software

• It focuses on streamlining the implementation process to save time and resources

• ASAP includes various phases such as project preparation, blueprinting, realization, final preparation, and go-live & support

• Example: A company decides to implement SAP software using the ASAP methodology to ensure a smooth and effic...read more