Chapter 4 test

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The ______ is the component of the processor that performs arithmetic, comparison, and other operations.

ALU

________ _____ is the amount of time it takes the processor to read data, instructions, and information from memory.

Access Time

A computer _______ is a small piece of semi-conducting material, usually silicon, on which integrated circuits are etched.

Chip

The pace of the system clock, called the ________ _______, is measured by the number of ticks per second.

Clock Speed

The processor relies on a small quartz crystal circuit called the ________ ______ to control the timing of all computer operations.

System Clock

The ________ ______ is a case that contains electronic components of the computer used to process data.

System Unit

A(n) ____ ______ is an interface that can connect up to 127 different peripherals together with a single connector.

USB Port

Together, four operations (fetching, decoding, executing, and storing) comprise a(n) ____________ _________.

Machine Cycle

_________ consists of electronic components that store instructions waiting to be executed by the processor, data needed by those instructions, and the results of processed data (information).

Memory

The __________ interprets and carries out the basic instructions that operate a computer.

Processor

______ refers to memory chips storing permanent data and instructions.

ROM

A(n) _________ ______ is a type of interface that connects a device to the system unit by transmitting data one bit at a time.

Serial Port

When 8 bits are grouped together as a unit, they form a(n) ______.

Byte

Most of today's computers improve processing time with ______, which stores frequently used instructions and data

Cache

A(n) ___________ joins a cable to a peripheral.

Connector

The _________ ______ is the component of the processor that directs and coordinates most of the operations in the computer.

Conrol Unit

A(n) ___________ _____ is a socket on the motherboard that can hold an adapter card

Expantion Slot

A(n) ______ _____ is a flash memory device that plugs in a USB port on a computer or portable device.

Flash Drive

The ___________________ is the main circuit board of the system unit.

Mother Board

______________ memory does not lose its contents when power is removed from the computer.

Nonvolatile

Unlike a serial port, a(n) ___________ _____ is an interface that connects devices by transferring more than one bit at a time

Parallel Port

A(n) ________ is the point at which a peripheral attaches to or communicates with the system unit so it can send data or receive information from the computer.

Port


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