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Home ‣ Electronics and Communication Engineering ‣ Microprocessors See What Others Are Saying!
  • Question

  • Which of the following computer memories is fastest?


  • Options
  • A. Cache
  • B. Primary
  • C. Mass storage
  • D. Off line back up

  • Correct Answer
  • Cache 

    Explanation
    Cache memory has a speed of about four times the speed of main memory. It is a small high speed memory.

    More questions

    • 1. Match the following:

      List I List II
      A. lag compensation 1. Exterior of unit circle |z| = 1
      B. lead compensation 2. PD control
      C. stability 3. Non-minimum phase
      D. Instability 4. Left half s plane
      5. PI control


    • Options
    • A. A-2, B-5, C-1, D-3
    • B. A-3, B-1, C-2, D-5
    • C. A-1, B-2, C-3, D-4
    • D. A-5, B-2, C-4, D-1
      • Discuss
    • 2. Match the following:

      List I (Library function in Pascal) List II (Type of argument)
      A. ROUND X 1. X in radians
      B. ABS X 2. X real
      C. SQR X 3. X real or integer
      D. SIN X


    • Options
    • A. A-2, B-3, C-3, D-1
    • B. A-2, B-3, C-1, D-3
    • C. A-3, B-2, C-2, D-1
    • D. A-2, B-3, C-2, D-1
      • Discuss
    • 3. Match the following:

      Microwave Measuring Instruments Measurements Effected
      A. Bolometer 1. Reflection coefficients
      B. VSWR meter 2. Half power beam widths
      C. Cavity wave meter 3. Microwave power
      D. Pattern recorder 4. Microwave frequency


    • Options
    • A. A-2, B-1, C-4, D-3
    • B. A-3, B-1, C-4, D-2
    • C. A-2, B-4, C-1, D-3
    • D. A-3, B-4, C-1, D-2
      • Discuss
    • 4. Match the following:

      List I (Instrument) List II (Parameters)
      A. Moving coil galvanometer 1. High inertia, soft spring control
      B. Ballistic galvanometer 2. No control, high damping
      C. Vibration galvanometer 3. Soft spring control, critical damping
      D. Moving coil flux meter 4. Low inertia, tuned spring control


    • Options
    • A. A-4, B-2, C-3, D-1
    • B. A-1, B-3, C-2, D-4
    • C. A-2, B-1, C-4, D-3
    • D. A-3, B-1, C-4, D-2
      • Discuss
    • 5. Assertion (A): In rectangular waveguide TE01 mode is just TE10 mode rotated by 90°.

      Reason (R): When a rectangular waveguide is rotated by 90°, the broad and narrow dimensions get interchanged.


    • Options
    • A. Both A and R are correct and R is correct explanation of A
    • B. Both A and R are correct but R is not correct explanation of A
    • C. A is correct but R is wrong
    • D. A is wrong but R is correct
      • Discuss
    • 6. Match the following:

      List I (Symbol in java) List II (Meaning)
      A. & 1. Logical AND
      B. ? 2. AND
      C. | | 3. XOR
      D. & & 4. Logical OR


    • Options
    • A. A-1, B-2, C-3, D-4
    • B. A-2, B-3, C-1, D-4
    • C. A-4, B-2, C-3, D-1
    • D. A-2, B-3, C-4, D-1
      • Discuss
    • 7. Match the following:

      List I (Camera pick up tubes) List II (Special feature)
      A. Vidicon 1. Highest sensitivity
      B. Plumbicon 2. Temperature sensitive
      C. Saticon 3. Large lag
      D. New vicon 4. Special target for red response


    • Options
    • A. A-4, B-3, C-2, D-1
    • B. A-1, B-2, C-3, D-4
    • C. A-3, B-4, C-2, D-1
    • D. A-4, B-3, C-1, D-2
      • Discuss
    • 8. Match the following:

      List I (Circuit) List II (Characteristics)
      A. Darlington pair 1. uses pnp and npn transistors used as power amplifier
      B. CB amplifier 2. Voltage gain nearly 1 and high input impedance
      C. Cascade amplifier 3. low input impedance used for high frequency isolation


    • Options
    • A. A-1, B-2, C-3
    • B. A-2, B-3, C-1
    • C. A-2, B-1, C-3
    • D. A-3, B-1, C-2
      • Discuss
    • 9. Match the following:

      List I List II
      A. Serial Binary adder 1. (2n - 1)tpd
      B. Ripple carry adder 2. (n - 1)tpd
      C. Carry look ahead binary adder 3. Operation time independent of size
      4. 6tpd for 4 bit carry look ahead adder


    • Options
    • A. A-2, B-1, C-3
    • B. A-2, B-1, C-4
    • C. A-1, B-2, C-4
    • D. A-1, B-2, C-3
      • Discuss
    • 10. Match the following:

      List I List II
      A. CLP 1. Measure of ?P clock speed
      B. SHELL 2. Double sided double density
      C. DSDD 3. Allows you to specify file as command processor
      D. Megahertz 4. Microcode stored in ROM


    • Options
    • A. A-4, B-3, C-2, D-1
    • B. A-3, B-4, C-2, D-1
    • C. A-1, B-2, C-3, D-4
    • D. A-2, B-3, C-4, D-1
      • Discuss

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