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56 Cards in this Set

  • Front
  • Back
A case that contains electronic components of the computer used to process data.
System Unit
It is the main circuit board of the system unit also known as the system board
Motherboard
A small piece of semiconducting material, usually silicon, on which integrated circuits are etched.
chip
Interprets and carries out the basic instructions that operate a computer.
CPU
A chip with 2 or more seperate processor cores
Multi-core processor
The component of the processor that directs and coordinates most of the operations in the computer.
Control Unit
Another component of the processor that performs arithmetic, comparison,and other operations.
ALU (Arithmetic Logic Unit)
A small quartz crystal circuit used to control the timing of all computer operations.
System clock
The pace of the System clock.
clock speed
(1) fetching (2) decoding (3) executing (4) storing
The 4 steps in the Machine Cycle
a number system that has just two unique digits, 0 and 1
binary system
the smallest unit of data the computer can process
bit
it provides enough different combinations of 0s and 1s to represent 256 individual characters and is the basic storage unit in memory
byte
consists of electronic components that store instructions waiting to be executed by the processor, data needed by those instructions, and the results of processing the data
memory
the type of memory that loses its contents when the power is turned off
volatile memory
the type of memory that keeps its content even when the power is off
nonvolatile memory
also called main memory, consists of memory chips that can be read from and written to by the processor and other devices
RAM memory
refers to memory chips storing permanent data and instructions
ROM memory
a small circuit board where RAM chips usually reside on
memory module
these things hold memory modules on the motherboard
memory slot
A process that stores frequently used instructions and data.
Cache
Helps speed the processes of the computer because it stores frequently used instructions and data.
Memory Cache
Built directly in the processor chip
L1 Cache
Is slightly slower than L1 cache but has a much larger capacity, ranging from 64 KB to 16 MB.
L2 Cache
Memory chips storing permanent data and instructions.
ROM(Read-only memory)
A type non-volatile memory than can be erased electronically and rewritten.
Flash Memory
Uses battery power to retain information even when the power to the computer is off.
CMOS
The amount of time it takes the processor to read data, instructions, and information from memory.
Access Time
One billionth of a second.
nanosecond
A socket on the motherboard that can hold an adapter card.
Expansion slot
A circuit board that enhances functions of a component of the system unit and/or provides connection to peripherals.
Adapter card
A nickname for an adapter card.
Expansion card
A device that connects to the system unit and is controlled by the processor in the computer.
peripheral
converts computer output into a video signal that travels through a cable to the monitor, which displays an image on the screen
video card
enhances the sound-generating capabilities of a personal computer allowing sound to be input through a microphone and other sound equipment
sound card
nickname for video card
graphics card
a removable flash memory device, usually no bigger then 1.5" in height or width, that you insert and remove from a slot in a pc or other system
memory card
the point at which a peripheral attaches to or communicates with a system unit so that the peropheral can send data to or receive information from the computer
port
can connect up to 127 different peripherals together witha single connector
USB port(universal serial bus)
it can connect multiple types of devices that require faster data transmission speeds to a single connector
FireWire Port
a special high-speed parallel port that allows you to attach peripherals
SCSI port
an external device that provides connections to peripherals through ports built into the device
port replicator
an external device that connects or attaches to a mobile computer or device, contains a power connection and provides connections to peripherals
docking station
electrical channel in which bits transfer internally within the circuitry of the computer
bus
part of the motherboard which connects the processor to cache
system bus
nickname for system bus
front side bus
connects the processor to cache
backside bus(BSB)
allows the processor to communicate with peripherals
expansion bus
an opening inside the system unit in which you can install additional equipment
bay
a rectangular opening that typically holds disk drives
drive bay
the component of the system unit that convert the wall outlet AC power into DC power
power supply
can of compressed air, lint-free antistatic wipes and swabs, screen cleaning solution, small computer vaccum, antistatic, wristband, small screwdrivers
list of items to clean your computer
turn off and even unplug, remove batteries, disconnect all cables from the ports
step 1 of cleaning process of your computer
use compressed air to blow away dust from any openings on the computer
step 2 of cleaning process of your computer
wipe with the antistatic wipe to clean the exterior of the case
step 3 of cleaning process of your computer
cleaning solution on a soft cloth to clean the screen
step 4 of cleaning process of your computer