| 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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