Computer Fundamentals Questions and Answers MCQ - Set 15 - ObjectiveBooks

Computer Fundamentals Questions and Answers MCQ - Set 15

Practice Test: Question Set - 15


1. Time during which a job is processed by the computer is
    (A) Delay time
    (B) Real time
    (C) Execution time
    (D) Down time

2. 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

3. 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

4. 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

5. 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

6. The binary equivalent of the Octal number 13.54 is
    (A) 1011.1011
    (B) 1101.1110
    (C) 1001.1110
    (D) All of the above

7. Which of the following statements is true?
    (A) The installation of a computer is favorably received by all employees
    (B) Some form of training is necessary for employees who will work with computers
    (C) Computers are portrayed solely as society's benefactor
    (D) A businessperson is only interested in the computer's accuracy

8. What is the name of the visible silver rectangle which separates the take-up portion of the magnetic tape from the data recording portion?
    (A) Load maker
    (B) Load marker
    (C) Tape separator
    (D) Tape marker

9. A billionth of a second is defined as a:
    (A) Millisecond
    (B) Microsecond
    (C) Nanosecond
    (D) Picoseconds

10. Which of the following holds data and processing instructions temporarily until the CPU needs it?
    (A) ROM
    (B) Control unit
    (C) Main memory
    (D) Coprocessor chips

11. A computer program consists of
    (A) System flowchart
    (B) Program flowchart
    (C) Algorithms written in computer's language
    (D) Discrete logical steps

12. A acronym for the organization that publishes programming language standard is
    (A) BCD
    (B) ANSI
    (C) EBCDIC
    (D) None of the above

13. A computer with CPU speed around 100 million instructions per second & with the word length of around 64 bits is known as
    (A) Super computer
    (B) Mini computer
    (C) Micro computer
    (D) None of the above

14. Diskettes and hard disks are
    (A) Direct access devices
    (B) Sequential access devices
    (C) Slower than magnetic tape
    (D) Used only in mainframe computers

15. Super computers are primarily useful for
    (A) Input-output intensive processing
    (B) Data-retrieval operations
    (C) Mathematical-intensive scientific applications
    (D) All of the above

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