Basic computer knowledge – MCQs

398 questions. Click to practice.

Correct options are highlighted when revealed.

1.What is the term used to describe half of a byte?

2.Which protocol is responsible for sending or delivering email to the recipient's mail server?

3.What is the primary function of the speakers connected to your computer?

4.What is the name of the device that delivers backup power to your computer, regulates voltage, and safeguards against power surges?

5.When a cashier scans the barcode on a product instead of manually entering its details, this process is called __________________?

6.What is the term used for a DNS client?

7.Which device is considered the main output component of a computer?

8.What term is used to describe a mistake or flaw in computer data?

9.Which term describes the mouse cursor that typically looks like an arrow?

10.Which of the following represents an architectural model?

11.What is the term for an error that occurs when two or more bits in a data unit are altered during transmission?

12.Which corporation is the leading manufacturer in the microprocessor market?

13.Which type of memory stores a fixed pattern of data permanently?

14.Which tool converts machine code back into a form similar to the original source code?

15.Which phrase refers to the action of holding and moving an object on the screen with a mouse to reposition it?

16.What is the primary device used for inputting text and numerical data into a computer?

17.How do servers process requests for domains they do not manage?

18.Which term describes systems that enable computers or electronic devices to save and access data?

19.Which sequence correctly arranges common data elements from the smallest to the largest?

20.Which characteristic of a computer is determined by its model, CPU, and operating system?