71. | Which of the following electronic component is not found in IC’s ? |
a. | Diode |
b. | Resistor |
c. | Transistor |
d. | Inductor |
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Answer: (d).Inductor
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72. | A given memory chip has 14 address pins and 8 data pins. It has the following number of locations. |
a. | 28 |
b. | 214 |
c. | 26 |
d. | 212 |
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Answer: (b).214
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73. | The instruction: MOV CL, [BX] [DI] + 8 represents the ............... addressing mode. |
a. | Based Relative |
b. | Based Indexed |
c. | Indexed Relative |
d. | Register Indexed |
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Answer: (b).Based Indexed
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74. | The power dissipation of a flip-flop is 3 mW. The power dissipation of a digital system with 4 flip-flops is given by |
a. | 34 mW |
b. | 43 mW |
c. | 4/3 mW |
d. | 12 mW |
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Answer: (d).12 mW
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75. | A binary ripple counter is required to count up to 16383. How many flip-flops are required ? |
a. | 16382 |
b. | 8191 |
c. | 512 |
d. | 14 |
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Answer: (d).14
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76. | Which one of the following is not an addressing mode? |
a. | Register indirect |
b. | Auto increment |
c. | Relative indexed |
d. | Immediate operand |
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Answer: (c).Relative indexed
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77. | Computers can have instruction formats with |
a. | only two address and three address instructions |
b. | only one address and two address instructions |
c. | only one address, two address and three address instructions |
d. | zero address, one address, two address and three address instructions |
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Answer: (d).zero address, one address, two address and three address instructions
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78. | Which is not a typical program control instruction? |
a. | BR |
b. | JMP |
c. | SHL |
d. | TST |
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Answer: (c).SHL
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79. | Interrupt which arises from illegal or erroneous use of an instruction or data is |
a. | Software interrupt |
b. | Internal interrupt |
c. | External interrupt |
d. | All of the above |
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Answer: (b).Internal interrupt
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80. | Match the following:
a. TTL i. High component density b. ECL ii. Low power consumption c. MOS iii. Evolution of “diodetransistor- logic” d. CMOS iv. High speed digital circuits Codes: a b c d |
a. | iii ii i iv |
b. | i iv iii ii |
c. | iii iv i ii |
d. | i ii iii iv |
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Answer: (c).iii iv i ii
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