Structured Questions for Computer Science Topics

The main components of a computer system are:

• CPU, Memory, Input/Output devices, Storage

• Monitor, Keyboard, Mouse, Printer

• Software, Internet, Electricity, Desk

• Screen, Speaker, Webcam, Router

A processor in a computer system is defined as:

• The central unit that performs calculations and executes instructions.

• A device used to display images on the screen.

• A storage device for saving files and documents.

• A component that supplies power to the computer.

The function of RAM in a computer is to:

• Store data temporarily for quick access by the CPU.

• Permanently store all files and programs.

• Control the input and output devices.

• Process all graphics and images.

The purpose of an operating system is:

• to manage hardware and software resources of a computer

• to design computer hardware

• to write application programs only

• to connect computers to the internet only

Secondary storage refers to non-volatile storage devices used to store data permanently. Which of the following are examples of secondary storage?

• Hard disk and USB drive

• RAM and cache memory

• CPU and ALU

• Registers and accumulators

Input devices are used to enter data into a computer, while output devices display or produce the results. Which of the following pairs correctly matches an input device and an output device?

• Keyboard and Monitor

• Monitor and Mouse

• Printer and Scanner

• Speaker and Keyboard

Digital media is defined as:

• Content that is stored and transmitted electronically

• Printed newspapers and magazines

• Handwritten letters and notes

• Physical books and journals

The difference between volatile and non-volatile storage media is:

• Volatile storage loses data when power is off, while non-volatile storage retains data.

• Volatile storage is slower than non-volatile storage.

• Non-volatile storage requires constant power to retain data.

• Volatile storage is used for long-term data storage.

Optical media store data by:

• using laser technology to read and write data on the disc surface

• using magnetic fields to encode data

• storing data in electrical charges

• using mechanical punches to create holes

The function of a sound card is:

• to process audio input and output in a computer

• to display graphics on the monitor

• to store data permanently

• to connect to wireless networks