BB Assistant Director (IT) 2016 – Preliminary question & solution

Questions from the BB Assistant Director (IT) recruitment exam, 2016 – Preliminary, shared by the candidates who sat it. The paper: 25 MCQs. So far 25 MCQs have been shared. Topics include Computer Architecture, Computer Basics, General Knowledge, Digital Logic and Computer Networks.

MCQ (25)

  1. On which aspect the analog computers are better than digital?
    1. a) Speed
    2. b) Accuracy
    3. c) Reliability
    4. d) Automatic
  2. How many numbers could ENIAC store in its internal memory?
    1. a) 100
    2. b) 20
    3. c) 80
    4. d) 40
  3. Binary circuit elements have
    1. a) One stable state
    2. b) Two stable states
    3. c) Three stable states
    4. d) None of these
  4. Which of the following terms is the most closely related to main memory?
    1. a) Non-volatile
    2. b) Permanent
    3. c) Control unit
    4. d) Temporary
  5. Which of the following is used for manufacturing chips?
    1. a) Control bus
    2. b) Magnetic tape
    3. c) Parity unit
    4. d) Semiconductor
  6. The word length of a computer is measured in-
    1. a) Bytes
    2. b) Millimeters
    3. c) Meters
    4. d) Bits
  7. Before a disk can be used to store data, it must be-
    1. a) Formatted
    2. b) Reformatted
    3. c) Addressed
    4. d) None
  8. Which unit holds data permanently?
    1. a) Input unit
    2. b) Secondary storage unit
    3. c) Output unit
    4. d) Primary Memory unit
  9. Magnetic tape can serve as—
    1. a) Secondary storage media
    2. b) Output media
    3. c) Input media
    4. d) All of them
  10. Which technology is used in Compact disks?
    1. a) Mechanical
    2. b) Electrical
    3. c) Electromagnetic
    4. d) Laser
  11. Which of the following is a storage device?
    1. a) Tape
    2. b) Hard Disk
    3. c) Floppy Disk
    4. d) All of them
  12. Which of the following is a class of computers based on model?
    1. a) Digital Computers
    2. b) Hybrid Computers
    3. c) Analog Computers
    4. d) AT Computers
  13. Which of the following produces the best quality graphics reproduction?
    1. a) Laser printer
    2. b) Inkjet printer
    3. c) Plotter
    4. d) Dot matrix printer
  14. Central Processing Unit is a combination of-
    1. a) Control Storage
    2. b) Control and output unit
    3. c) Arithmetic Logic and Input Unit
    4. d) Arithmetic logic and control unit
  15. What does the disk drive of a computer do?
    1. a) Rotate the Disk
    2. b) Read the disk
    3. c) Load a program from the disk into the memory
    4. d) Both B and C
  16. Which of the items below are considered removable storage media?
    1. a) Removable hard disk cartridges
    2. b) (Magneto-optical) disk
    3. c) Flexible disk cartridges
    4. d) All of them
  17. Which of the following is not true?
    1. a) Transistors are much smaller
    2. b) Transistors produce low heat
    3. c) Transistors were less reliable
    4. d) Transistors were used in radios and other electronic devices
  18. Typical data transfer rates in a LAN are of the order of-
    1. a) Bits per sec
    2. b) Kilobits per sec
    3. c) Megabits per sec
    4. d) None of them
  19. Which was the most popular first-generation computer?
    1. a) IBM 1650
    2. b) IBM 360
    3. c) IBM 1130
    4. d) IBM 650
  20. The computer code for the interchange of information between terminals is—
    1. a) ASCII
    2. b) BCD
    3. c) EBCDIC
    4. d) All of them
  21. What type of device is a computer keyboard?
    1. a) Memory
    2. b) Output
    3. c) Storage
    4. d) Input
  22. Which of the following is internal memory?
    1. a) Disks
    2. b) Pen Drives
    3. c) RAM
    4. d) CDs
  23. Which of the following memories needs refreshing?
    1. a) SRAM
    2. b) DRAM
    3. c) ROM
    4. d) All of them
  24. Which of the following is not a form of data?
    1. a) Numbers and characters
    2. b) images
    3. c) sound
    4. d) None of these
  25. The control unit of a microprocessor-
    1. a) Stores data in the memory
    2. b) Accepts input data from keyboard
    3. c) Performs arithmetic/logic function
    4. d) None of the above