Top 1000+ Solved Important Computer MCQs For Competitive Exams part-1 MCQ Questions Answer
Q. Which element is used for making the connecting leads in an IC chip?
a. silicon
b. germanium
c. lead
d. aluminum
e. None of these
Q. How was the generation of computer classified?
a. by the device used in memory & processor
b. by the speed of computer
c. by the model of the computer
d. by the accuracy of computer
e. None of these
Q. Which of the following is the earliest calculating device?
a. Abacus
b. Clock
c. Difference Engine
d. Calculator
e. None of these
Q. Which file keeps commands to execute automatically when OS is started?
a. command.com
b. any batch file
c. autoexebat
d. config.sys
e. None of these
Q. What is the shortcut key to “Undo” the last action in a document?
a. Ctrl + X
b. Ctrl + Y
c. Ctrl + Z
d. Ctrl + U
e. None of these
Q. What is meaning of the term DEBUG?
a. To remove virus
b. To remove errors from program
c. To improve the system performance
d. To improve the language
e. None of these
Q. Which device can not be used for authentication?
a. Flatbed Scanner
b. Fingerprint sensor
c. Voice recognition system
d. Retina Scanner
e. None of these
Q. This device allow you to transfer pictures from the paper onto the computer.
a. Printer
b. Mouse
c. Keyboard
d. Scanner
e. None of these
Q. When a computer is first turned on or restarted, a special type of absolute loader called………..is executed.
a. Compile and Go loader
b. Boot loader
c. Bootstrap loader
d. Relating loader
e. None of these
Q. Algorithm and Flow chart help us to :
a. Know the memory capacity
b. Identify the base of a number system
c. Direct the output to a printer
d. Specify the problem completely and clearly
e. None of these
Q. CD-ROM stands for :
a. Compactable Read Only Memory
b. Compact Data Read Only Memory
c. Compactable Disk Read Only Memory
d. Compact Disk Read Only Memory
e. None of these
Q. ASCII stands for :
a. American Stable Code for International Interchange
b. American Standard Case for Institutional Interchange
c. American Standard Code for Information Interchange
d. American Standard Code for Interchange Information
e. None of these
Q. Artificial Intelligence is associated withwhich generation?
a. First Generation
b. Second Generation
c. Fifth Generation
d. Sixth Generation
e. None of these
Q. Which statement is valid about magnetic tape?
a. It is a plastic ribbon
b. It is coated on both sides with iron oxide
c. It can be erased and reused
d. All of these
e. None of these
Q. The arranging of data in a logical sequence is called :
a. Sorting
b. Classifying
c. Reproducing
d. Summarizing
e. None of these