Digital Computer Fundamentals mcq - Set 40 - ObjectiveBooks

Digital Computer Fundamentals mcq - Set 40

Practice Test: Question Set - 40

1. Which of the following is associated with networks?
    (A) Download, node
    (B) Star topology
    (C) Point-to-Point
    (D) Both (a) and (b)

2. What technology is used for flat panel displays?
    (A) Solid state
    (B) RBG monitor
    (C) VLSI
    (D) Direct view storage tube

3. Who is the creator of the PASCAL language?
    (A) Niklaus Wirth
    (B) Donald Knuth
    (C) Basic Pascal
    (D) None of the above

4. File specification books are created primarily for the use of
    (A) Systems analysts
    (B) Programmers
    (C) Operators
    (D) Managers

5. While buying a PC system, you should first
    (A) Shop for application programs
    (B) Identify your hardware components
    (C) Define your computing needs
    (D) Call for tenders

6. Which of the following memory is capable of operating at electronics speed?
    (A) Semiconductor memory
    (B) Magnetic disks
    (C) Magnetic drums
    (D) Magnetic tapes

7. If the processor of a computer does not have a direct and unassisted access to data items, these items are said to be
    (A) Offline
    (B) Remote
    (C) Disconnected
    (D) Detached

8. Computer scientists are exploring the possibility of culturing bacteria to create living chips which have digital electronic properties. What are these chips called?
    (A) Bacterial chips
    (B) Biochips
    (C) Natural chips
    (D) None of the above

9. ASCII stands for
    (A) American standard code for information interchange
    (B) All purpose scientific code for information interchange
    (C) American security code for information interchange
    (D) American Scientific code for information interchange

10. The 2's complement of a binary no. is obtained by adding _______ to its 1's complement.
    (A) 12
    (B) 10
    (C) 2
    (D) 1

11. All calculations are performed and all comparisons are made in _______ unit.
    (A) Control unit
    (B) Arithmetic-logic unit
    (C) Central processing unit
    (D) Primary storage unit

12. The disadvantage of dynamic RAM over static RAM is
    (A) Higher power consumption
    (B) Variable speed
    (C) Need to refresh the capacitor charge every once in two milliseconds
    (D) Higher bit density

13. In digital data transmission
    (A) Baud rate in equal to bit rate
    (B) Baud rate is always smaller than the bit rate
    (C) Baud rate is always higher than the bit rate
    (D) None of the above

14. Which device of computer operation dispenses with the use of the keyboard?
    (A) Joystick
    (B) Light pen
    (C) Mouse
    (D) Touch

15. The average time necessary for the correct sector of a disk to arrive at the read write head is _________
    (A) Down time
    (B) Seek time
    (C) Rotational delay
    (D) Access time

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