Computer Knowledge
Computer Memory and Storage
2,477 Questions
Computer memory and storage questions test foundational knowledge of hardware, cache mapping, and data transfer mechanisms. Key areas include Direct Memory Access, analog recording, and RAID levels. This section is essential for candidates preparing for banking and government computer proficiency tests.
Cache memory mappingDirect memory accessRAID storage levelsHard disk technologyOptical media storageMemory addresses
Computer Memory and Storage Questions
C
Correct answer
Explanation
The clipboard is a temporary storage area in the operating system used to hold data that has been cut or copied before it is pasted elsewhere.
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fetch cycle and execution cycle
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get cycle and execution cycle
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acquire cycle and access cycle
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none of these
A
Correct answer
Explanation
The instruction cycle consists of fetching the instruction from memory and then executing it. These are the two primary phases of the CPU cycle.
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automatic storage allocation
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protection
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shareability
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all the above
D
Correct answer
Explanation
Virtual memory allows for efficient storage allocation, memory protection between processes, and the ability to share memory segments, making all listed options correct.
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Unmanaged cloud storage
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Managed cloud storage
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Block storage devices
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File storage devices
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Virtual storage
A
Correct answer
Explanation
This type of cloud storage class means that the storage is preconfigured for the costumer.
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Wuala
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Sify my storage
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Live mesh
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Sales force
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CouchDB
C
Correct answer
Explanation
This storage service gives you 5 GB of online storage and an online desktop that looks a lot like Windows Vista.
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Jungle disk
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CouchDB
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Client server computing
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Wuala
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Apache hadoop
A
Correct answer
Explanation
This storage service lets you map your Amazon S3 storage space as a network drive on your computer.
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Wuala
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Sify my storage
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Live mesh
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Sales force
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CouchDB
C
Correct answer
Explanation
This storage service gives you 5 GB of online storage and an online desktop that looks a lot like Windows Vista.
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Homogeneous file
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Master file
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Non-Homogeneous file
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Transaction file
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Reference file
C
Correct answer
Explanation
This file in physical data organisation of data storage devices holds instances of many different record types.
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Performs all calculations.
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Receives input data.
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Is extremely limited.
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Is better than human memory.
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Laser card.
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Optical card.
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Master card.
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VISA
A
Correct answer
Explanation
A laser card is an optical memory card that uses laser technology to store data, similar to how video disks store information.
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4.7 inch.
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5 ½ inch.
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3 ½ inch.
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8.7 inch.
A
Correct answer
Explanation
Standard Compact Discs (CDs), which were the primary optical media for high-quality music, have a diameter of 120 mm, which is approximately 4.7 inches.
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mainframe computers.
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laptop computers.
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mini computers.
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micro computers.
A
Correct answer
Explanation
Reel-to-reel tape drives were historically used for bulk data storage and backups in large-scale systems like mainframes.
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disk surface.
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cylinder
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track
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disk
A
Correct answer
Explanation
In a hard disk drive, there is one read/write head for each recording surface of the disk stack.
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latency delay
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epoch delay
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approach time
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seek time
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None of these
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30 nanoseconds.
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30 microsecondsn
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30 milliseconds.
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30 seconds.
C
Correct answer
Explanation
Magnetic bubble memory is a non-volatile storage technology that had access times in the millisecond range, typically around 30 ms.