Army Clerk Computer Science Online Test

The following questions are precisely selected from the previous year question papers of soldier clerk by our experts. Practicing these questions will definitely add to your knowledge, but we do not guarantee that they will come exactly same in the written exam. These questions are just meant for practice.

If you find any answer or question wrong, then please mention it to us through comments.

See also:- Army clerk sample and previous year papers.

Q 1. The operating system called UNIX is typically used in

1. Desktop Computer
2. Laptop Computers
3. Super Computers
4.  All of these
5. Answer is: All of these

1. Facts In detail
2. There are so many systems with many of the Unix ideas in it. Among them, there is Linux. It does not use code from UNIX, but only shares some of the ideas. Therefore Linux is not a UNIX operating system. Instead it is called “Unix-like”.

Q 2. What is the default file extension for all Word documents

1. .exe
2. .doc
3. .word
4. .file
5. Answer is: .doc

1. Facts In detail
2. The default file extension for all Word Word templates is .dot
   The default file extension for all  Microsoft Word Backup Document is .wbk

Q 3. What is a computer virus

1. A document file
2. A computer program
3. A read-only memory
4. A hardware
5. Answer is: A computer program

1. Facts In detail
2. At present, there are 3 categories of malicious software threats: viruses, worms, and Trojan horses.
   All of these are built from the same basic computer logic that make up application programs on one’s computer such as word processors, games, or spreadsheets.

Q 4. Which of the following is web browser

1. Firework
2. Firefox
3. Google
4. Word
5. Answer is: firefox

1. Facts In detail
2. Firefox was adopted rapidly, with 100 million downloads in its first year of availability.

Q 5. The brain of any computer system is

1. CU
2. CPU
3. Monitor
4. UPS
5. Answer is: CPU

1. Facts In detail
2. At present, Venus is the world’s fastest CPU that can complete 128 Fujitsu computer operations per second. The ability of this prototype is approximately 2.5 much faster than the latest Intel CPUs.

Q 6. Which method is used to connect a remote computer?

1. Dialup
2. Logic circuit
3. Diagnostic
4. Device
5. Answer is: Dialup

1. Facts In detail
2.  Dialup is a form of Internet access that uses the facilities of the public switched telephone network to establish a connection to an Internet service provider (ISP) by dialing a telephone number on a conventional telephone line.

Q 7. ASCII stands for

1. American Scientific code for information interchange
2. All purpose scientific code for information interchange
3. American security code for information interchange
4. American standard code for information interchange
5. Answer is: American standard code for information interchange

1. Facts In detail
2. Computers can only understand numbers, so an ASCII code is the numerical representation of a character such as ‘a’ or ‘@’ or an action of some sort.

Q 8. Which of the following devices is not an output device

1. Printer
2. Keyboard
3. Monitor
4. Plotter
5. Answer is: keyboard

1. Facts In detail
2. The most common keyboard, QWERTY Keyboard was created by Christopher Sholes in 1868.

Q 9. Which of the following is the optical memory

1. Floppy disk
2. CD-ROM
3. Core memories
4. Bubble memories
5. Answer is: Bubble memories

1. Facts In detail
2. Bubble memory started out as a promising technology in the 1980s, offering memory density of a similar order to hard drives but performance more comparable to core memory.

Q 10. Which of the following is not a Computer Operating System

1. COBOL
2. MS-DOS
3. LINUX
4. Windows
5. Answer is: COBOL

1. Facts In detail
2. Cobolis a compiled English-like computer programming language designed for business use. It is imperative, procedural, since 2002, object-oriented.

Q 11. MS-DOS is a

1. Multi-tasking operating system
2. Single user operating system
3. Multi-user operating system
4. None of these
5. Answer is: Single user operating system

1. Facts In detail
2. MS DOS is an operating system that uses a command line interface. In spite of its very small size and relative simplicity, it is one of the most successful operating systems that has been developed to date.

Q 12. IC chips used in computers are usually made of

1. Silicon
2. Lead
3. Gold
4. Chromium
5. Answer is: Silicon

1. Facts In detail
2. IC chips are the integrated circuits of microscopic array of electronic circuits and components that has been diffused or implanted onto the surface of a single crystal, or chip, of semiconducting material such as silicon.

Q 13. What is the address given to a computer connected to a network, called

1. System Address
2. Process ID
3. SYSID
4. IP address
5. Answer is: – IP address

1. Facts In detail
2.  IP address is a 32 bit address that means we get 4,29,49,67,296 addresses that is approximately equal to 430 crores or 4.3 Billion

Q 14. .bas, .doc, and .html are the examples of ?

1. Extensions
2. Domains
3. Database
4. Protocols
5. Answer is: Extensions

1. Facts In detail
2. There are some other extensions too which can be asked in the exam, .bmp, .btm, .BTM, .c

Q 15. Which of the following is a cyber crime?

1. Hacking
2. Trojan
3. Malware
4. None of the above
5. Answer is:  Hacking

1. Facts In detail
2. Computer hacking was born in the late 1950s, when members of MIT’s Tech obsessed with electric switching, began preparing punch cards to control an IBM 704 mainframe.

Q 16. Transfer of a file from a server to your computer is called

1. Transfer a file
2. Upload a file
3. Downloading a file
4. Change a file
5. Answer is: Downloading a file

1. Facts In detail
2. Overall, the number of illegally downloaded songs from P2P services dropped by 26 percent in 2012 from 2011.

Q 17. How many printing characters are there in ASCII

1. 96
2. 10
3. 94
4. 65
5. Answer is: 94

1. Facts In detail
2. ASCII – American Standard Code for Information Interchange. Computers can only understand numbers, so an ASCII code is the numerical representation of a character such as ‘a’ or ‘@’ or an action of some sort.

Q 18. The output obtained using computer printer is called

1. Soft copy
2. Hard copy
3. Print copy
4. Temporary copy
5. Answer is: – Hard copy

1. Facts In detail
2. A laser printer consumes about three times more power than a desktop computer while both are being actively used.

Q 19. 1 KB memory is

1. 1000 bytes
2. 100 bytes
3. 10 bytes
4. 2¹? bytes
5. Answer is: 1000 bytes

1. Facts In detail
2. 1 megabyte(MB) = 1024 kilobytes(KB)
   1 gigabyte(GB) = 1024 megabytes(MB)

Q 20. One byte consists of

1. 2 bits
2. 4 bits
3. 6 bits
4. 8 bits
5. Answer is: 8 bits

1. Facts In detail
2. 1 kilobyte consists of 1,024 bytes
   1 gigabyte consists of one thousand megabytes.

See also: Army clerk maths test