Computer interview questions – page 30

4,197 questions. Tap “Show answer” to check yourself.

Advertisement
  1. EFTS are used in linear ICs to

    1. Increase device complexity
    2. Increase input resistance
    3. Provide large resistances
    4. Both (b) and (c)
    Show answer

    D. Both (b) and (c)

  2. What are the two types of cache that processors support?

    1. Bilateral
    2. Internal
    3. External
    4. Flash
    Show answer

    B. Internal

  3. Which of the following dominates the LSI filed and is used for microprocessor and memories?

    1. Bipolar families
    2. Complementary MOSFETS (CMOS)
    3. P-channel MOSFETS (PMOS)
    4. N-channel MOSFETS (NMOS)
    Show answer

    D. N-channel MOSFETS (NMOS)

  4. Which gate is NOR/OR path?

    1. CMOS
    2. DTL
    3. TTL
    4. ECL
    Show answer

    D. ECL

  5. Memory refreshing may be done

    1. Either by the CPU or by an external refresh controller
    2. By the CPU that contains a special regress counter only
    3. By an external refresh controller, only
    4. None of these
    Show answer

    A. Either by the CPU or by an external refresh controller

  6. Which of the following logic families has the lowest power-delay product?

    1. MOS
    2. IIL
    3. TTL
    4. ECL
    Show answer

    B. IIL

  7. MOS logic gates have no current hogging problem because the gate terminal has

    1. Compensating effect
    2. High impedance
    3. Zero impedance
    4. Low input impedance
    Show answer

    B. High impedance

  8. Which of the following TTL, sub-family is fastest?

    1. Standard TTL
    2. High Speed TTL
    3. Low-Speed TTL
    4. Scotty TTL
    Show answer

    D. Scotty TTL

  9. What should be added so that a CMOS gate drives TTL at the same supply voltage?

    1. High value capacitor
    2. Buffer
    3. Pull up transistor
    4. Pull down transistor
    Show answer

    D. Pull down transistor

  10. Which of the following is the most popular family of SSI and MSI?

    1. CMOS
    2. ECL
    3. TTL
    4. DTL
    Show answer

    C. TTL

  11. Which logic gate used in electric motors on-off, control circuit, high voltage switch?

    1. CMOS
    2. RTL
    3. DTL
    4. HTL
    Show answer

    D. HTL

  12. Analog systems are different from digital systems because

    1. They are slow
    2. They handle information in digital form
    3. They handle information in analog form
    4. They use transistors
    Show answer

    C. They handle information in analog form

  13. Advertisement
  14. Which logic family dissiplates the minimum power?

    1. CMOS
    2. ECL
    3. TTL
    4. DTL
    Show answer

    A. CMOS

  15. What should be added so that an LS TTL gate can drive a CMOS gate operating from the supply?

    1. A capacitor of high value
    2. A small transformer
    3. Pull up transistor
    4. Pull down transistor
    Show answer

    C. Pull up transistor

  16. _____ is the shortcut to create receipt voucher in Tally.

    1. F2
    2. F3
    3. F4
    4. F6
    Show answer

    D. F6

  17. Which submenu is used to create new ledgers, groups and voucher types in Tally?

    1. Accounting Vouchers
    2. Account Info.
    3. Inventory Vouchers
    4. Inventory Info.
    Show answer

    B. Account Info.

  18. The proper definition of a modern digital computer is

    1. A machine that works on binary code
    2. Any machine that can perform mathematical operations
    3. A more sophisticated and modified electronic packet calculator
    4. An electronic automated machine that can solve problems involving words and numbers
    Show answer

    D. An electronic automated machine that can solve problems involving words and numbers

  19. The location where Input/output devices are connected to the computer is called

    1. Port
    2. Accumulator
    3. Keyboard
    4. Bus
    Show answer

    A. Port

  20. A P-Channel enhancement type MOSFET performs much the same function as a PNP transistor except that

    1. It is controlled by current rather than a voltage like a bipolar transistor
    2. It is controlled by voltage larger than current
    3. It is considerably larger
    4. It operates much faster
    Show answer

    B. It is controlled by voltage larger than current

  21. Which of the following logic families has the highest noise immunity?

    1. RTL
    2. HTL
    3. DTL
    4. TTL
    Show answer

    B. HTL

  22. The time required for a gate or inverter to change its state is

    1. Charging time
    2. Propagation time
    3. Decay time
    4. Rise time
    Show answer

    B. Propagation time

  23. In term of levels of integration, an IC containing about 50 gates would be classified as

    1. MSI
    2. SSI
    3. LSI
    4. VLSI
    Show answer

    A. MSI

  24. The main advantages of CMOS as compared to TTL are

    1. Higher speed operation with low power consumption
    2. Higher power consumption with high fan out
    3. Lower power consumption with low fan out
    4. Lower power consumption and better noise margins
    Show answer

    D. Lower power consumption and better noise margins

  25. Which of the following semiconductor memory, instead of using a flip-flop for the basic memory cell, work by deposition of a charge on a capacitor?

    1. Dynamic MOS
    2. Static MOS
    3. CMOS
    4. Bipolar
    Show answer

    A. Dynamic MOS

  26. Advertisement
  27. Emitter coupled logic (ECL) belonging to bipolar family is

    1. The faster logic family and used in high speed application
    2. Most popular family of SSI and MSI chips
    3. Closet and obsolete
    4. New obsolete
    Show answer

    A. The faster logic family and used in high speed application

  28. How is it possible that both programs and date can be stored in the same floppy disk?

    1. Programs and data are both software and both can be stored in any memory device
    2. Floppy disks can only store data, not programs
    3. A floppy disk has to be formatted for one or for the other
    4. A floppy disk has two sides, one for data and one for programs
    Show answer

    A. Programs and data are both software and both can be stored in any memory device

  29. A standard CD player accesses data/information using which method?

    1. Multivariate access
    2. Sequential access
    3. Random access
    4. All of these
    Show answer

    D. All of these

  30. Which of the following is the first integrated logic family?

    1. TTL
    2. RTL
    3. MOS
    4. TTL
    Show answer

    B. RTL

  31. Which gate is highest noise immunity?

    1. TTL
    2. HTL
    3. RTL
    4. DTL
    Show answer

    B. HTL

  32. Which of the following IC has only one input line?

    1. AND gate
    2. BCD to decimal decoder
    3. Multiplexer
    4. Demultiplexer
    Show answer

    D. Demultiplexer

Advertisement