WGU D684 Introduction To Computer
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the number of bits that can be transmitted simultaneously on a data bus,
affecting data transfer speed ......ANSWER.....bus width
a small, fast type of volatile memory that stores frequently accessed data to
speed up processing ......ANSWER.....cache memory
the main component of a computer that executes instructions and processes
data ......ANSWER.....central processing unit (CPU)
the part of the CPU that directs its operation, managing the execution of
instructions and coordinating other components ......ANSWER.....control
unit
a set of tracks located at the same position on multiple disk platters in a hard
drive ......ANSWER.....cylinder
,
,
, 2|Page
devices and components used to input data into a computer system,
such as keyboards and mice ......ANSWER.....input unit
a register in the CPU that holds the current instruction being
executed ......ANSWER.....instruction register
the main circuit board of a computer, housing the CPU, memory, and
other essential components ......ANSWER.....motherboard
devices and components used to output data from a computer system,
such as monitors and printers ......ANSWER.....output unit
a CPU performance enhancement technique where multiple
instruction phases are overlapped to improve processing speed
......ANSWER.....pipelining
a register in the CPU that holds the address of the next instruction
to be executed ......ANSWER.....program counter