What is the main function of the CPU?

The main function of the CPU (Central Processing Unit) is to process instructions. It performs basic arithmetical, logical, and input/output operations of the system.

Which device is used to input text and numbers into a computer?

A keyboard is used to input text and numbers into a computer. It is one of the primary input devices for computers.

Which component is considered the brain of the computer?

The CPU (Central Processing Unit) is considered the brain of the computer because it performs most of the processing inside the computer.

Which device is used to produce a hard copy of documents?

A printer is used to produce a hard copy of documents. It transfers text and graphic from a computer to a physical medium such as paper.

Which type of memory is permanent and cannot be changed?

ROM (Read-Only Memory) is a type of memory that is permanent and cannot be changed. It retains its contents even when the computer is turned off.

What is an example of an output device?

A monitor is an example of an output device. It displays information in visual form from the computer.

What type of port is commonly used to connect a monitor to a computer?

HDMI (High-Definition Multimedia Interface) is commonly used to connect a monitor to a computer. It transmits high-quality digital video and audio signals.

Which device allows users to interact with a computer by pointing and clicking?

A mouse allows users to interact with a computer by pointing and clicking. It is a hand-held pointing device that detects two-dimensional motion relative to a surface.

Which component stores the BIOS?

The BIOS (Basic Input/Output System) is stored in ROM (Read-Only Memory). It is firmware used to perform hardware initialization during the booting process.

Which of the following is a portable storage device?

A USB Flash Drive is a portable storage device. It is a data storage device that includes flash memory with an integrated USB interface.

Which device is used for video conferencing?

A webcam is used for video conferencing. It is a video camera that feeds or streams its image in real time to or through a computer to a computer network.

Which component is necessary for a computer to connect to the internet wirelessly?

A Wi-Fi Card is necessary for a computer to connect to the internet wirelessly. It allows the computer to connect to a network and access the internet using wireless signals.

Which device is used to transfer data between two computers directly?

An Ethernet Cable is used to transfer data between two computers directly. It provides a wired network connection for data transfer.

Which of the following is an example of an input device?

A keyboard is an example of an input device. It is used to input data and commands into a computer.

Which type of memory is fastest?

Cache memory is the fastest type of memory. It is used by the CPU to reduce the average time to access data from the main memory.

Which device can be used to digitally capture and save an image of a paper document?

A scanner can be used to digitally capture and save an image of a paper document. It converts physical documents into digital formats.

What component is used to temporarily store data that is being processed?

RAM (Random Access Memory) is used to temporarily store data that is being processed. It allows the computer to access data quickly for processing.

Which device converts digital signals into analog signals?

A modem converts digital computer signals into analog signals for transmission over communication lines.

The main circuit board of a computer is called?

The motherboard holds and connects all major hardware components of a computer.

Which hardware component supplies electricity to all parts?

SMPS converts AC power into DC power and supplies it to computer components.

A device that displays text and images on screen is?

A monitor is an output device that shows visual information.

Which storage device has no moving parts?

SSD uses flash memory and has no mechanical parts, making it faster and durable.

Which part connects all internal components together?

The motherboard provides communication pathways between all hardware components.

The physical parts of a computer are known as?

Hardware refers to the tangible components of a computer system.

Which device is used to hear sound from a computer?

Speakers are output devices used to produce sound.

Which component controls all computer operations?

CPU executes instructions and controls all operations of the computer.

A small battery attached to the motherboard is called?

The CMOS battery maintains system clock and BIOS settings.

Which port is mainly used for internet connection?

Ethernet port is used to connect a computer to a wired network.

Which device helps in video recording on a computer?

A webcam captures video and images digitally.

Temporary memory that loses data when power is off is?

RAM is volatile memory and clears data when power is turned off.

Which device protects a computer from sudden power failure?

UPS provides backup power during electricity failure.

Which unit measures CPU speed?

CPU speed is measured in Hertz, showing cycles per second.

A device used to point, select, and drag items is?

A mouse allows graphical interaction with the computer.

Which component stores files permanently?

Hard drives store data permanently even when power is off.

Which device is used to record voice into a computer?

A microphone captures sound input into the computer.

The box that contains internal computer parts is called?

The case houses and protects internal computer components.

Which hardware device connects multiple computers in a network?

A switch connects multiple devices within a network.

Which component improves computer performance by cooling?

A heat sink removes excess heat from the processor.

A device that reads optical discs is?

A CD drive reads data from optical discs like CDs or DVDs.

Which memory is located closest to the CPU?

Cache memory is nearest to CPU and provides very fast access.

Which device is used to draw directly on the screen?

A light pen allows direct interaction with the display screen.

The main processing chip inside the CPU is called?

The microprocessor performs all arithmetic and logic operations.

Which device converts paper documents into digital form?

A scanner digitizes printed documents.

Which connector is commonly used for audio output?

Audio jack connects speakers or headphones for sound output.

A portable device used to store data is?

USB drives are portable storage devices.

Which component manages data flow between CPU and memory?

The control unit directs data flow and execution of instructions.

Which device is used to scan barcodes?

A barcode reader scans and reads barcode data.

The speed of a computer mainly depends on?

A faster processor increases overall system performance.

Which hardware is required to print colored documents?

Color printers can print documents in multiple colors.

Which component stores system startup settings?

CMOS stores BIOS configuration and startup settings.