System Unit
The main case of a computer
consists of circuitry and components packaged
together and connected directly to the motherboard
Processor/CPU
refers to chip-based storage, or locations that a computer uses to store data on a temporary basis
memory
is the process of
representing data in digital form so it can be
understood by a computer
Digital data representation
is a binary-based language for
representing computer programs the computer can
execute directly
Machine Language
a circuit board consisting of computer chips, also called integrated circuits
Motherboard
What units are processing speeds measured in
hertz (mega/giga)
is the computer’s main memory or system
memory, consists of chips
RAM
A language made up of 0s and 1s
Binary
consists of nonvolatile memory chips that
can be used for storage, is replacing ROM
Flash memory
Cools the CPU
Fan
Each processor or core typically
works on a different job to process these jobs faster
than with a single processor
multiprocessing
is erased when the device is shut off
volatile
What is the smallest unit of data in binary
a bit
a terabyte is ____ bytes
1 trillion bytes
Power supply
Multiple processors or cores
work together to process a single job as fast as
possible
Parallel processing
consists of non-volatile chips located on the motherboard into which data or programs have been permanently stored
ROM (read only memory)
How many bits are in a byte
8
These are are small components typically made out of aluminum with fins that help to dissipate heat
Heat Sinks
Connects peripheral devices
Expansion Card
fetch, decode, execute and store are the steps of what?
The machine cycle
According to the book, what is the fastest form of memory
registers
decimal
are rectangular metal racks inside the system
unit that house storage devices
Drive Bays