Questions Bank | Page 1945

Cache memory is:

a permanent archive

0%

an external backup device

0%

the same as a floppy disk

0%

a temporary, very fast memory area used for quick access

100%

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Primary storage is called RAM because:

it works only with ROM

0%

it is always external

0%

locations can be accessed at any time

100%

it is permanent

0%

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Non-volatile memory is memory that:

keeps its contents even without power

100%

works only with optical disks

0%

can only store images

0%

loses data when power is off

0%

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Cache memory is temporary because it:

loses its contents when power is off

100%

stores only graphics

0%

cannot be read by the CPU

0%

is too large

0%

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A pixel is:

a single point of light on the screen

100%

a communication protocol

0%

a printer speed unit

0%

a type of storage

0%

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Every I/O device connected to the CPU requires:

a floppy drive

0%

its own hard disk

0%

an interface board

0%

an extra power supply

33%

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Fixed hard disks and optical disks are preferred because:

they are slower

0%

they are faster, safer, and have larger capacities

100%

they are temporary

0%

they cannot store programs

0%

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The baud rate determines:

the number of printers in the network

0%

the size of files on the hard disk

0%

the monitor refresh rate

0%

how fast a modem can send and receive data

0%

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Primary storage is considered “primary” because:

it is always optical

0%

it is external to the board

0%

it is always the largest storage

0%

data must be located there to be processed by the CPU

0%

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A modem is needed to:

control cache memory

0%

increase monitor resolution

0%

print documents

0%

convert digital signals into analogue signals and back

100%

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