Exercise: Computer Fundamentals

Questions for: Computer Fundamentals

Tiny rings made of magnetic material that can be polarised to represent binary 1 or 0 is called
A:
Magnetic core
B:
Magnetic disk
C:
Card punch
D:
Floppy disk
Answer: A
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A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as
A:
Light pen
B:
Optical-wand
C:
Plotter
D:
All of the above
Answer: B
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One of a class of storage devices that can access storage locations in any order is
A:
DTE
B:
DASD
C:
DDE
D:
DDC
Answer: B
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Which of the following time will normally be determined by the requirements of the device to which the transfer is being made
A:
Access
B:
Cycle
C:
Hold
D:
Delay
Answer: C
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The magnetic disks and drums are like recirculating shift registers because
A:
they have about the same storage capacity
B:
their storage is non volatile
C:
their access times are about the same
D:
stored data is available for reading over and over again in the same order.
Answer: D
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