2. | The amount of time required to read a block of data from a disk into memory is composed of seek time, rotational latency, and transfer time. Rotational latency refers to |
Discuss |
Answer: (a).the time its takes for the platter to make a full rotation
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3. | ______ is used in operating system to separate mechanism from policy. |
Discuss |
Answer: (b).Two level implementation
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5. | The data-in register of I/O port is |
Discuss |
Answer: (a).Read by host to get input
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6. | The host sets _____ bit when a command is available for the controller to execute. |
Discuss |
Answer: (c).command-ready
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7. | When hardware is accessed by reading and writing to the specific memory locations, then it is called |
Discuss |
Answer: (d).none of the mentioned
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8. | Device drivers are implemented to interface |
Discuss |
Answer: (d).all of the mentioned
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9. | Which hardware triggers some operation after certain programmed count? |
Discuss |
Answer: (a).programmable interval timer
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10. | The device-status table contains |
Discuss |
Answer: (d).all of the mentioned
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