Welcome to the Computer Fundamentals MCQ Section here you will get 500+ Multiple Choice Question ‘MCQ’ on Computer Fundamentals; These question are based on computer operator syllabus of public service commission and province public service commission.
1. UNIVAC is
A) Universal Automatic Computer
B) Universal Array Computer
C) Unique Automatic Computer
D) Undervalued Automatic Computer
Answer: (A) Universal Automatic Computer
2. The basic operations performed by a computer are
A) Arithmetic operation
B) Logical operation
C) Storage and relative
D) All of the above
Answer: (D) All of the above
3. The two major types of computer chips are
A) External memory chip
B) Primary memory chip
C) Microprocessor chip
D) Both b and c
Answer: (D) Both B & C
4. Microprocessors as switching devices are for which generation computers
A) First Generation
B) Second Generation
C) Third Generation
D) Fourth Generation
Answer: (D) Fourth Generation
5. What is the main difference between a mainframe and a super computer?
A) Super computer is much larger than mainframe computers
B) Super computers are much smaller than mainframe computers
C) Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
D) Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.
Answer: (C) Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
6. ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand 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
Answer: (A) Extended Binary Coded Decimal Interchange Code
7. The brain of any computer system is
A) ALU
B) Memory
C) CPU
D) Control unit
Answer: (C) CPU
8. Storage capacity of magnetic disk depends on
A) Tracks per inch of surface
B) Bits per inch of tracks
C) Disk pack in disk surface
D) All of above
Answer: (D) All of above
9. The two kinds of main memory are:
A) Primary and secondary
B) Random and sequential
C) ROM and RAM
D) All of above
Answer: (C) ROM and RAM
10. A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is
A) Memory
B) Buffer
C) Accumulator
D) Address
Answer: (B) Buffer
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