Basic Computer Questions With Ansers

01. Which unit converts computer data into human readable form?
A) Input unit
B) Output unit
C) ALU
D) Control Unit
02. The full form of ALU is
A) Arithmetic Logic Unit
B) Array Logic Unit
C) Application Logic Unit
D) None of above
03. What produces useful information out of data?
A) Computer
B) Processing
C) Programming
D) none of above
04. Which of the following device was not invented by Babbage?
A) Pascaline
B) Difference Engine
C) Analytical Engine
D) None of above
05. A digital computer did not score over an analog computer in terms of
A) Speed
B) Accuracy
C) Reliability
D) Cost
06. Which number system is usually followed in a typical 32-bit computer?
A) Binary
B) Decimal
C) Hexadecimal
D) Octal
07. A computer has very low failure rate because it uses electronic components. It produces very consistent results. This is highlighted by which of the feature of computer?
A) Accuracy
B) Reliability
C) Versatility
D) Automatic
08. A paper printout of a document is known as
A) Softcopy output
B) Hardcopy output
C) Permanent Output
D) All of above
09. Which electronic component was made out of semiconductor material?
A) Vacuum tubes
B) Transistors
C) Ics
D) All of above
10. The act of retrieving existing data from memory is called
A) Read-out
B) Read from
C) Read
D) All of above
11. Which part of the computer is used for calculating and comparing?
A) Disk unit
B) Control unit
C) ALU
D) Modem
12. ABC is a
A) Special purpose computer
B) General purpose computer
C) All Purpose Computer
D) None of above
13. The computer code for the interchange of information between terminals is
A) ASCII
B) BCD
C) EBCDIC
D) All of above
14. When was the X window system born?
A) 1984
B) 1989
C) 1988
D) 1990
15. What is the first stage in software development?
A) Specification and design
B) Testing
C) System Analysis
D) Maintenance
16. Which of the following is valid statement?
A) Data in itself is useless unless it is processed
B) The data that is processed is called a program
C) The data which is not yet processed is information
D) Information is processed by computer to generate data.
17. The Second Generation Computer was based on ________.
A) Vacuum Tube
B) Silicon Chips
C) Transistor
D) Bio Chips
18. EBCDIC stands for
A) Extended Binary Coded Decimal Interchange Code
B) Extended Bit Code Decimal Interchange Code
C) Extended Bit Case Decimal Interchange Code
D) Extended Binary Case Decimal Interchange Code
19. Personnel who design, program, operates and maintains computer equipment refers to
A) Console-operator
B) Programmer
C) Peopleware
D) System Analyst
20. IBM System/360 is
A) Mainframe Computer
B) Mini Computers
C) Micro Computers
D) None of above