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IT Passport Examination (IP) | Technology: Computer Systems Questions 02

1 / 90.0s

Problem 1

Which is the basic cycle by which a CPU interprets instructions and controls calculation and the various devices?

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The CPU repeats the process of fetching an instruction, decoding it and then executing it.

Problem 2

Which high-speed storage device is used to bridge the speed gap between the CPU and main memory?

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Cache memory holds frequently used data and shortens the time the CPU spends waiting.

Problem 3

Which is volatile memory, losing its contents when the power is turned off?

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RAM is generally volatile: its contents are lost when the power is cut.

Problem 4

Which is a general characteristic of an SSD compared with an HDD?

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An SSD uses semiconductor memory and has no mechanical moving parts.

Problem 5

Which is an appropriate role of an OS?

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An OS manages hardware resources and provides common functions to applications.

Problem 6

Which technology runs several independent virtual servers on a single physical server?

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Server virtualization divides physical resources logically and runs multiple virtual machines.

Problem 7

Which configuration writes the same content to multiple disks so that data remains usable if one of them fails?

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RAID 1 is mirroring: the same data is recorded on multiple disks.

Problem 8

If system A has an availability of 0.9 and system B, connected in series, has an availability of 0.8, what is the overall availability?

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A series system needs both to be running, so 0.9 × 0.8 = 0.72.

Problem 9

Which is a characteristic of taking a full backup every day?

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Because all the data is saved each time, restoration is simple, but the storage capacity and the time taken tend to be large.