Computer GK Questions

GK Computer

Computer GK Questions with Answers. Compter gk basic knowledge. General knowledge about computer. Computer gk mock test free

HTML stands for?

HTML stands for Hyper text Markup Language.

Explain HDD?

A hard disk drive ( HDD ) is a storage device that stores and retrieves digital data using magnetic storage and spinning disks.

GUI Stands for?

The term GUI stands for “Graphical User Interface”.

A mouse pad provides a smooth surface for a computer mouse to move on, enhancing accuracy and reducing friction.

Explain the difference between software and firmware?

Answer: Software refers to programs and data that can be modified or updated, while firmware is software stored in read-only memory (ROM) that provides permanent instructions for hardware devices.

Explain the function of a power supply unit (PSU)?

Answer: A power supply unit provides electrical power to a computer or device, converting AC power from an outlet into DC power needed by the computer’s components.

What is the purpose of a cursor control key?

Answer: Cursor control keys, such as the arrow keys on a keyboard, are used to move the cursor or highlight / select text or objects on a computer screen.

What are the two main categories of software?


1-System software ( e.g., operating systems ) 

2-application software ( e.g., word processors, web browsers ).

Explain the role of an operating system?

Answer: An operating system manages computer hardware and software resources, provides a user interface, and enables the execution of programs.

What is the motherboard?

Answer: The motherboard is the main circuit board of a computer that connects and allows communication between various hardware components.

Which part of computer is called the brain of the computer?

Answer: The CPU stands for Central Processing Unit  is also called the “brain” of a computer.

What is an input device?

Answer: An input device is used to enter data or commands into a computer. Examples include a keyboard, mouse, and microphone.

What is input in the context of computers?

Answer: Input refers to the data or commands entered into a computer system through input devices.

What is output in the context of computers?

Answer: Output refers to the processed data or information produced by a computer system and displayed or provided through output devices.

What is a printer?

Answer: A printer is an output device that produces a physical copy (hard copy) of data or information on paper.

What is a monitor?

Answer: A monitor is an output device that displays outputs from a computer, like text, images, and videos.

What is a scanner?

Answer: A scanner is an input device that captures and converts physical documents or images into digital form for computer processing.

What is a speaker?

Answer: A speaker is an output device that produces sound, allowing users to hear audio generated by a computer.

What is a barcode reader?

Answer: A barcode reader is an input device that scans and decodes barcodes, providing information about products, inventory, or other encoded data.

What is a joystick?

Answer: A joystick is an input device used for controlling movement or actions in computer games or simulations.

What is a projector?

Answer: A projector is an output device that displays visual output from a computer on a larger screen or surface, often used for presentations or entertainment purposes.  Read also: Computer quiz questions answers

Leave a Reply

Your email address will not be published. Required fields are marked *