1. Which of the following is metal or plastic case that holds all the physical parts of the computer?
B) System unit
Correct Answer: System unit
Explanation : System unit is metal or plastic case that holds all the physical parts of the computer.
2. Communication channel having ......... types.
Correct Answer: 3
Explanation : There are three type of Communication channel: Simplex, Half-duplex and Full-duplex
3. The size of the register is also called ________.
A) word group
B) word limit
C) word size
D) word block
Correct Answer: word size
Explanation : The size of the register is also called word size.
4. If ASCII Code of K is 1001011 than what code for L?
Correct Answer: 01001100
Explanation : The code (ASCII) for L is 01001100.
5. Which type of file not allowed attaching with email?
A) .Zip file
B) .rar files
C) .doc files
D) .exe or .bin files
Correct Answer: .exe or .bin files
Explanation : .exe or .bin files type of file not allowed attaching with email.
6. To be able to boot, the computer must have a (n)
C) operating system
Correct Answer: operating system
Explanation : To be able to boot, the computer must have an operating system. an operating system a group of instructions that tells a computer on how to operate when it is turned ON. It sets up a filing system to store files and tells the computer how to display information on a video display.
7. The main job of a CPU is to
A) carry out program instructions
B) store data/information for future use
C) process data and information
D) Both A and C
Correct Answer: Both A and C
Explanation : The main job of a CPU is to carry out program instructions and process data and information.
8. Junk e-mail is also called ......
C) sniffer script
Correct Answer: spam
Explanation : Junk e-mail is also called spam or unwanted e-mail.
9. Which of the following is a correct IP address for localhost?
Correct Answer: 127.0.0.1
Explanation : IP address for localhost is 127.0.0.1
10. Why is one time password safe?
A) Easy to generate
B) Encrypted password
C) Different for every access
D) Not shamble
Correct Answer: Different for every access
11. How many layers are there in TCP/IP model?
Correct Answer: 4
Explanation : TCP/IP Model have 4 layers: Application, Transport, Internet and Network access layer
12. A client is software that has various graphical capabilities to access information from the Internet.
A) search engine
B) web browser
C) chat client
D) command prompt
Correct Answer: web browser
Explanation : web browser is software that has various graphical capabilities to access information from the Internet.
13. Computers use the …… number system to store data and perform calculations.
Correct Answer: Binary
Explanation : Computers use the binary number system to store data and perform calculations.
14. What is Quick Heal?
Correct Answer: Antivirus
Explanation : Norton, McAfee, Kapersky, AVAST, Comodo, Avira and AVG are examples of Antivirus.
15. The smallest unit of information about a record in a database is called a
Correct Answer: field
Explanation : The smallest unit of information about a record in a database is called a field.