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Total Questions : 1294 | Page 5 of 130 pages
Question 41. The accuracy of A/D conversion is generallyThe Accuracy Of A/D Conversion Is Generally
  1.    A
  2.    B
  3.    C
  4.    D
 Discuss Question
Answer: Option A. -> A
Answer: (a).A
Question 42. The Boolean function A + BC is reduced form of
  1.    AB + BC
  2.    A̅B + A̅BC
  3.    (A + B) (A + C)
  4.    (A + C)B
 Discuss Question
Answer: Option C. -> (A + B) (A + C)
Answer: (c).(A + B) (A + C)
Question 43. Semiconductor ROM's are sometimes preferred to semiconductor RAM's because
  1.    ROM's are cheaper than RAMs
  2.    ROMs are faster
  3.    ROMs do not require power supply for their operations
  4.    Programs stored in ROMs cannot be altered either by the power failure or by the user
 Discuss Question
Answer: Option D. -> Programs stored in ROMs cannot be altered either by the power failure or by the user
Answer: (d).Programs stored in ROMs cannot be altered either by the power failure or by the user
Question 44. Read cycle is always followed by (during instructions execution)
  1.    read cycle
  2.    write cycle
  3.    delete signal
  4.    none of these
 Discuss Question
Answer: Option B. -> write cycle
Answer: (b).write cycle
Question 45. To convert JK flip flop to D flip flop
  1.    connect D to both J and K
  2.    connect D to J directly and D to K through inverter
  3.    connect D to K directly and D to J through inverter
  4.    connect D to K and leave J open
 Discuss Question
Answer: Option B. -> connect D to J directly and D to K through inverter
Answer: (b).connect D to J directly and D to K through inverter
Question 46. RAMs can be built with bipolar or CMOS transistor RAMs that are not possible with bipolar transistors are
  1.    SRAM
  2.    SRAM, DRAM
  3.    DRAM
  4.    PROM
 Discuss Question
Answer: Option C. -> DRAM
Answer: (c).DRAM
Question 47. EEPROM is also known as
  1.    UVPROM
  2.    EAPROM
  3.    both UVPROM and EAPROM
  4.    none of the above
 Discuss Question
Answer: Option B. -> EAPROM
Answer: (b).EAPROM
Question 48. ECL can be used to high frequencies in the order of
  1.    500 kHz
  2.    1 MHz
  3.    100 MHz
  4.    500 MHz
 Discuss Question
Answer: Option D. -> 500 MHz
Answer: (d).500 MHz
Question 49. In a flip-flop with a NAND latch, a low R and a low S produces
  1.    active condition
  2.    inactive condition
  3.    race condition
  4.    dead condition
 Discuss Question
Answer: Option C. -> race condition
Answer: (c).race condition
Question 50. As compared to TTL, CMOS logic has
  1.    higher speed of operation
  2.    higher power dissipation
  3.    smaller physical size
  4.    all of the above
 Discuss Question
Answer: Option C. -> smaller physical size
Answer: (c).smaller physical size

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