Питання | Сторінка 1963

Primary storage is called RAM because:

it works only with ROM

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it is always external

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locations can be accessed at any time

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it is permanent

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Non-volatile memory is memory that:

keeps its contents even without power

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works only with optical disks

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can only store images

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loses data when power is off

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Cache memory is temporary because it:

loses its contents when power is off

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stores only graphics

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cannot be read by the CPU

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is too large

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A pixel is:

a single point of light on the screen

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a communication protocol

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a printer speed unit

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a type of storage

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Every I/O device connected to the CPU requires:

a floppy drive

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its own hard disk

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an interface board

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an extra power supply

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Fixed hard disks and optical disks are preferred because:

they are slower

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they are faster, safer, and have larger capacities

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they are temporary

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they cannot store programs

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The baud rate determines:

the number of printers in the network

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the size of files on the hard disk

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the monitor refresh rate

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how fast a modem can send and receive data

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Primary storage is considered “primary” because:

it is always optical

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it is external to the board

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it is always the largest storage

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data must be located there to be processed by the CPU

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A modem is needed to:

control cache memory

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increase monitor resolution

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print documents

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convert digital signals into analogue signals and back

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An expansion slot allows you to:

attach a power cable

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change CPU voltage

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plug in expansion cards such as interface boards

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connect external monitors only

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