| 1. | Unlike micro processors, micro controllers make use of batteries because they have: |
| a. | high power dissipation |
| b. | low power consumption |
| c. | low voltage consumption |
| d. | low current consumption |
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Answer: (b).low power consumption
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| 2. | What is the order decided by a processor or the CPU of a controller to execute an instruction? |
| a. | decode,fetch,execute |
| b. | execute,fetch,decode |
| c. | fetch,execute,decode |
| d. | fetch,decode,execute |
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Answer: (d).fetch,decode,execute
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| 3. | How are micro controllers classified on the basic of internal bus width? |
| a. | 8,16,32,64 bits |
| b. | 4,8,16,32 bits |
| c. | 8,16 bits |
| d. | 4,16,32 bits |
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Answer: (b).4,8,16,32 bits
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| 4. | How is the performance and the computer capability affected by increasing its internal bus width? |
| a. | it increases and turns better |
| b. | it decreases |
| c. | remains the same |
| d. | internal bus width don’t affect the performance in any way |
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Answer: (a).it increases and turns better
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| 5. | Abbreviate CISC and RISC. |
| a. | Complete Instruction Set Computer, Reduced Instruction Set Computer |
| b. | Complex Instruction Set Computer, Reduced Instruction Set Computer |
| c. | Complex Instruction Set Computer, Reliable Instruction Set Computer |
| d. | Complete Instruction Set Computer, Reliable Instruction Set Computer |
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Answer: (b).Complex Instruction Set Computer, Reduced Instruction Set Computer
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| 6. | Give the names of the buses present in a controller for transferring data from one place to another? |
| a. | data bus, address bus |
| b. | data bus |
| c. | data bus, address bus, control bus |
| d. | address bus |
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Answer: (c).data bus, address bus, control bus
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| 7. | What is the file extension that is loaded in a micro controller for executing any instruction? |
| a. | .doc |
| b. | .c |
| c. | .txt |
| d. | .hex |
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Answer: (d)..hex
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| 8. | What are the most appropriate criterion for choosing the right micro controller of our choice? |
| a. | speed |
| b. | availability |
| c. | ease with the product |
| d. | all of the mentioned |
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Answer: (d).all of the mentioned
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| 9. | Why micro controllers are not called general purpose devices? |
| a. | because they are based on VLSI technology |
| b. | because they are not meant to do a single work at a time |
| c. | because they are cheap |
| d. | because they consume low power |
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Answer: (b).because they are not meant to do a single work at a time
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| 10. | MAX1112 is a _________ type of ADC converter? |
| a. | parallel |
| b. | 12 bit |
| c. | serial |
| d. | all of the mentioned |
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Answer: (c).serial
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