BB Assistant Maintenance Engineer 2013 – Preliminary question & solution

Questions from the BB Assistant Maintenance Engineer recruitment exam, 2013 – Preliminary, shared by the candidates who sat it. The paper: 13 MCQs. So far 13 MCQs have been shared. Topics include Computer Networks, Computer Architecture, Algorithm, Electronics and Computer Basics.

MCQ (13)

  1. CPU, _______ are the basic components of a computer system.
    1. a) Keyboard and monitor
    2. b) Main memory and I/O devices
    3. c) Keyboard and I/O devices
    4. d) Main memory and monitor
  2. At the same clock speed compared to CISC, a RISC processor works _______.
    1. a) faster
    2. b) slower
    3. c) at same speed
    4. d) none
  3. The resolution of a printer is measured in ______.
    1. a) Megabits
    2. b) Dots per inch (DPI)
    3. c) Inches
    4. d) GHz
  4. For a sorted linear array, which is the fastest algorithm to find the location?
    1. a) Linear search
    2. b) Binary search
    3. c) Quick search
    4. d) Selection search
  5. A transformer transforms ______.
    1. a) Frequency
    2. b) Voltage
    3. c) Current
    4. d) Voltage and Current
  6. What is the name given to the sequence of steps which a computer follows?
    1. a) Instructions
    2. b) Algorithms
    3. c) Flowcharts
    4. d) Debugging
  7. A power system is providing 200 V ac at 25 A. The phase angle between current and voltage is 25°. What is the power consumed by the system?
    1. a) 2113 W
    2. b) 4531 W
    3. c) 5517 W
    4. d) 11831 W
  8. The common collector amplifier is also known as ______.
    1. a) Collector follower
    2. b) Base follower
    3. c) Emitter follower
    4. d) Integrator
  9. Negative feedback in an amplifier ______.
    1. a) Reduces the gain
    2. b) Increases the gain
    3. c) Is harmful
    4. d) Converts the amplifier into an oscillator
  10. The end-to-end delivery of the entire message is the responsibility of the ______ layer.
    1. a) Network
    2. b) Transport
    3. c) Session
    4. d) Presentation
  11. Which of the following is a digital modulation technique?
    1. a) DM
    2. b) PCM
    3. c) PSK
    4. d) All
  12. The three major components of a communication system are ______.
    1. a) Source, data rate and response time
    2. b) Source, Link and receiver
    3. c) Transmitter, link and receiver
    4. d) Source, link and detector
  13. A frequency range 1 GHz to 30 GHz is referred to as __________.
    1. a) Medium wave
    2. b) Microwave
    3. c) Long wave
    4. d) None

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