COMPUTER KNOWLEDGE SET 5

COMPUTER KNOWLEDGE SET 2

1. Computer uses the .......... number system to store data and perform calculations.

(1) binary

(2) octal

(3) decimal

(4) hexadecimal

(5) None of these

ANS(1)

2. A disk's content that is recorded at the time of manufacture and that cannot be changed or

erased by the user is-

(1) Memory-only

(2) Write-only

(3) Once-only

(4) Run-only

(5) Read-only

ANS(5)

3. Which of the following can be used to select the entire document?

(1) CTRL + A

(2) ALT + F5

(3) SHIFT + A

(4) CTRL + K

(5) CTRL + H

ANS(1)

4. .......... are attempts by individuals to obtain confidential information from you by falsifying their identity.

(1) Phishing

(2) Computer viruses

(3) Spyware scams

(4) Viruses

(5) None of the above

ANS(1)

5. Part number, part description, and number of parts ordered are examples ofPractice

(1) control

(2) output

(3) processing

(4) feedback

(5) input

ANS(5)

6. A Web site's main page is called its-

(1) Home Page

(2) Browser Page

(3) Search Page

(4) Bookmark

(5) None of these

ANS(1)

7. The simultaneous processing of two or more programs by multiple processors is-

(1) multi-programming

(2) multitasking

(3) time-sharing

(4) multiprocessing

(5) None of these

ANS(4)

Note* If single processor process two or more programs, it is multi-programming or Multi tasking.But if multiple processors are involved is is called Multi-processing

8. Codes consisting of lines of varying widths or lengths that are computer-readable are known as-

(1) an ASCII code

(2) a magnetic tape

(3) an OCR scanner

(4) a bar code

(5) None of these

ANS(4)

9. To instruct Word to fit the width of a column to the contents of a table automatically, click the  .....  button and then point to AutoFit Contents.

(1) Fit to Form

(2) Format

(3) Autosize

(4) Contents

(5) AutoFit

ANS(5)

10. Why is it unethical to share copyrighted files with your friends?

(1) It is not unethical, because it is legal.

(2) It is unethical because the files are being given for free.

(3) Sharing copyrighted files without permission breaks copyright laws.

(4) It is not unethical because the files are being given for free.

(5) It is not unethical-anyone can access a computer

ANS(3)

11. Reusable optical storage will typically have the acronym-

(1) CD

(2) DVD

(3) ROM

(4) RW

(5) ROS

ANS(4)

12. The most common type of storage devices are-

(1) persistent

(2) optical

(3) magnetic

(4) flash

(5) steel

ANS(3)

13. A device that connects to a network without the use of cables is said to be-

(1) distributed

(2) free

(3) centralized

(4) open source

(5) None of these

ANS(5)

ANS IS WIRELESS DEVICES

14. A person who used his or her expertise to gain access to other people's computers to get

information illegally or do damage is a-

(1) hacker

(2) analyst

(3) instant messenger

(4) programmer

(5) spammer

ANS(1)

15. To access properties of an object, the mouse technique to use is-

(1) dragging

(2) dropping

(3) right-clicking

(4) shift-clicking

(5) None of these

ANS(3)