Computer Science Basic MCQs - Set 14

1)   What is the name of an application program that gathers user information and sends it to someone through the Internet?

a. A virus
b. Spybot
c. Logic bomb
d. Security patch
Answer  Explanation 

ANSWER: Spybot

Explanation:
No explanation is available for this question!


2)   is the measurement of things such as fingerprints and retinal scans used for security access.

a. Biometrics
b. Bio measurement
c. Computer security
d. Smart weapon machinery
Answer  Explanation 

ANSWER: Biometrics

Explanation:
No explanation is available for this question!


3)   What is the most common tool used to restrict access to a computer system?

a. User logins
b. Passwords
c. Computer keys
d. Access-control software
Answer  Explanation 

ANSWER: Passwords

Explanation:
No explanation is available for this question!


4)   Hardware or software designed to guard against unauthorized access to a computer network is known as a(n):

a. Hacker-proof program
b. Firewall
c. Hacker-resistant server.
d. Encryption safe wall.
Answer  Explanation 

ANSWER: Firewall

Explanation:
No explanation is available for this question!


5)   The scrambling of code is known as:

a. Encryption
b. a firewall
c. Scrambling
d. Password proofing.
Answer  Explanation 

ANSWER: Encryption

Explanation:
No explanation is available for this question!


6)   To prevent the loss of data during power failures, use a(n):

a. Encryption program.
b. Surge protector
c. Firewall
d. UPS
Answer  Explanation 

ANSWER: UPS

Explanation:
No explanation is available for this question!


7)   Is defined as any crime completed through the use of computer technology.

a. Computer forensics
b. Computer crime
c. Hacking
d. Cracking
Answer  Explanation 

ANSWER: Computer crime

Explanation:
No explanation is available for this question!


8)   refers to electronic trespassing or criminal hacking.

a. Cracking
b. Jacking
c. Spoofing
d. Smarming
Answer  Explanation 

ANSWER: Cracking

Explanation:
No explanation is available for this question!


9)   The first electronic computer was developed by

a. J.V. Attansoff
b. Bill Gates
c. Simur Cray
d. Winton Serf
Answer  Explanation 

ANSWER: J.V. Attansoff

Explanation:
No explanation is available for this question!


10)   Snowbol is an/a---------

a. Operating system
b. HLL
c. Software
d. Search engine
Answer  Explanation 

ANSWER: HLL

Explanation:
No explanation is available for this question!


11)   Switching device of fifth generation computer is________________

a. Vacuum tubes
b. Transistors
c. IC
d. VLSI
Answer  Explanation 

ANSWER: VLSI

Explanation:
No explanation is available for this question!


12)   computers operates essentially by counting

a. Portable computer
b. Hybrid computer
c. Analog computer
d. Digital computer
Answer  Explanation 

ANSWER: Digital computer

Explanation:
No explanation is available for this question!


13)   computer is small general purpose micro computer, but larger than portable computer

a. Hybrid
b. Digital
c. Desktop
d. Laptop
Answer  Explanation 

ANSWER: Desktop

Explanation:
No explanation is available for this question!


14)   Cathode Ray Tube is a form of.____________

a. Keyboard
b. Mouse
c. Monitor
d. Mother board
Answer  Explanation 

ANSWER: Monitor

Explanation:
No explanation is available for this question!


15)   Trackball is a._______________________

a. Input device
b. Output device
c. Programming language
d. Software
Answer  Explanation 

ANSWER: Input device

Explanation:
No explanation is available for this question!


16)   computer is a medium sized computer

a. Micro
b. Mainframec
c. Super
d. Mini
Answer  Explanation 

ANSWER: Mini

Explanation:
No explanation is available for this question!


17)   computer are of large size

a. Micro
b. Mainframe
c. Super
d. Mini
Answer  Explanation 

ANSWER: Mainframe

Explanation:
No explanation is available for this question!


18)   Note book, laptop, palm, hand-held computers are coming under the category of.____________________computer

a. Digital computer
b. Mainframe computer
c. Portable computer
d. Digital computer
Answer  Explanation 

ANSWER: Portable computer

Explanation:
No explanation is available for this question!


19)   Light pen and joystick are____________________

a. Algorithm
b. Input devices
c. Output devices
d. Portals
Answer  Explanation 

ANSWER: Input devices

Explanation:
No explanation is available for this question!


20)   Touch Screen is______________________

a. Input device
b. Output device
c. Both a & b above
d. None of these
Answer  Explanation 

ANSWER: Both a & b above

Explanation:
No explanation is available for this question!