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Q1. Which of the following terms describe 1024 kilobytes?
(A) Kilobyte
(B) Megabyte
(C) Gigabyte
(D) Terabyte
Answer: (B) Megabyte
Q2. Which of the following is required when more than one person uses a central computer at the same time?
(A) Terminal
(B) Light pen
(C) Digitizer
(D) Mouse
Answer: (A) Terminal
Q3. Time during which a job is processed by the computer is
(A) Delay time
(B) Real time
(C) Execution time
(D) Down time
Answer: (C) Execution time
Q4. The organization and interconnection of the various components of a computer system is
(A) Architecture
(B) Networks
(C) Graphics
(D) Designing
Answer: (A) Architecture
Q5. A hybrid computer uses a _ to convert digital signals from a computer into analog signals.
(A) Modulator
(B) Demodulator
(C) Modem
(D) Decoder
Answer: (C) Modem
Q6. If you see a diskette with a piece of foil covering its notch, it is said to be
(A) Write-protected
(B) Copy-protected
(C) Write-enabled
(D) Foil-covered
Answer: (A) Write-protected
Q7. MODULA is a
(A) Programming language
(B) Low-level language
(C) Assembly language
(D) Machine language
Answer: (A) Programming language
Q8. Which of the following is a secondary memory device?
(A) Keyboard
(B) Disk
(C) ALU
(D) All of the above
Answer:(B) Disk
Q9. The ALU of a central processing unit does the essential maths work for the computer. What does the control unit do?
(A) Communicates its results
(B) Activates the output device
(C) Monitors the flow of information
(D) Control the printer
Answer: (C) Monitors the flow of information
Q10. Which of the following is a set of general purpose internal registers?
(A) Stack
(B) Scratch pad
(C) Accumulator
(D) Status register
Answer: (B) Scratch pad
Q11. The computer translates the condition of each switch to a number. What number is represented by the ON state?
(A) 1
(B) 0
(C) +7
(D) +3.75
Answer: (A) 1
Q12. Whenever a peripheral is being controlled by the CPU, it is said to be online. If additionally, the computer files are updated as soon as any change takes place, the system is called
(A) Quick processing system
(B) Batch processing system
(C) Real time system
(D) Remote processing system
Answer: (C) Real time system
Q13. Data systems for planning are often called
(A) Decision analysis systems
(B) Planning analysis systems
(C) Decision support systems
(D) None of the above
Answer:(C) Decision support systems
Q14. The language that the computer can understand and execute is called
(A) Machine language
(B) Application software
(C) System program
(D) All of the above
Answer: (A) Machine language
Q15. The analog computer measures dimensions and its circuits use the differential and integral equations of continuous variables. The digital computer counts units and its circuits use
(A) Logic gates
(B) Discrete switches
(C) Boolean algebra i.e., Bayes’ theorem
(D) None of the above
Answer: (C) Boolean algebra i.e., Bayes’ theorem
Computer Fundamentals MCQ – All Set
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