| 1. | The ______ format is usually used to store data . |
| a. | BCD |
| b. | Decimal |
| c. | Hecadecimal |
| d. | Octal |
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Answer: (a).BCD
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| 2. | The 8-bit encoding format used to store data in a computer is ______ . |
| a. | ASCII |
| b. | EBCDIC |
| c. | ANCI |
| d. | USCII |
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Answer: (b).EBCDIC
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| 3. | A source program is usually in _______ . |
| a. | Assembly language |
| b. | Machine level language |
| c. | High-level language |
| d. | Natural language |
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Answer: (c).High-level language
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| 4. | Which memory device is generally made of semi-conductors ? |
| a. | RAM |
| b. | Hard-disk |
| c. | Floppy disk |
| d. | Cd disk |
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Answer: (a).RAM
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| 5. | The small extremely fast, RAM’s are called as _______ . |
| a. | Cache |
| b. | Heaps |
| c. | Accumulators |
| d. | Stacks |
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Answer: (a).Cache
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| 6. | The ALU makes use of _______ to store the intermediate results . |
| a. | Accumulators |
| b. | Registers |
| c. | Heap |
| d. | Stack |
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Answer: (a).Accumulators
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| 7. | The control unit controls other units by generating ____ . |
| a. | Control signals |
| b. | Timing signals |
| c. | Transfer signals |
| d. | Command Signals |
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Answer: (b).Timing signals
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| 8. | ______ are numbers and encoded characters, generally used as operands . |
| a. | Input |
| b. | Data |
| c. | Information |
| d. | Stored Values |
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Answer: (b).Data
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| 9. | The Input devices can send information to the processor, |
| a. | When the SIN status flag is set |
| b. | When the data arrives regardless of the SIN flag |
| c. | Neither of the cases |
| d. | Either of the cases |
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Answer: (a).When the SIN status flag is set
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| 10. | ______ bus structure is usually used to connect I/O devices . |
| a. | Single |
| b. | Multiple |
| c. | Star |
| d. | Ra |
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Answer: (a).Single
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