interprets and carries out the basic instructions that operate a computer

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  • interprets and carries out the basic instructions that operate a computer


    *System Unit

     

    ·         is a case that contains electronic components of the computer used to process data.

     

    *Motherboard

     

    ·         is the main circuit board of the system unit

     

    *Chip

     

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

     

    *Processor

     

    ·         interprets and carries out the basic instructions that operate a computer

     

    *Control Unit

     

    ·         The _________________________ is the component of the processor that directs and coordinates most of the operations in the computer

     

    Arithmetic Logic Unit

     

    ·         is the component of the processor that performs arithmetic, comparison, and other operations

     

    Machine Cycle

     

    ·         Together, four operations (fetching, decoding, executing, and storing) comprise a(n

     

    System Clock

     

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

     

    *Clock Speed

     

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

     

    Byte

     

    ·         When 8 bits are grouped together as a unit, they form a(n

     

    Memory

     

    ·         _____ 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).

     

    *Nonvolatile

     

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

     

    Cache

     

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

     

    ROM

     

    ·         refers to memory chips storing permanent data and instructions

     

    Access Time

     

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

     

    expansion slot

     

    ·         A(n) _________________________ is a socket on the motherboard that can hold an adapter card.

     

    USB Flash Drive

     

    ·         an __________ is a flash memory device that plugs in a USB port on a computer or portable device.

     

    Port

     

    ·         An___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.

     

    Connector

     

    ·         A ___ joins a cable to a peripheral.

     

    Serial Port

     

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

     

    Parallel Port

     

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

     

    USB Port

     

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

    S

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