Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
48 Cards in this Set
- Front
- Back
the case that contains electronic components is part of the system unit.
|
System use
|
|
main circuit board of the system unit.
|
Motherboard-
|
|
a small piece of semiconducting material, usually silicon, which intergraded circuits are etched.
|
Chip-
|
|
central processing unit interprets and carries out the basic instructions that operate on a computer.
|
Cpu
|
|
a chip with two or more separate processor cores.
|
Multi-core processor
|
|
the component of the processor that directs and coordinates most of the operations in the computer
|
Control unit
|
|
arrhythmic logic unit, another component of the processor, performs arithmetic, comparison, and other operations.
|
Alu
|
|
a small quartz crystal circuit that controls the timing of all computer operations.
|
System clock
|
|
is measured by the number of ticks per second
|
Clock speed
|
|
a number system that has just two unique digits 0 and 1 called bits.
|
Binary system
|
|
is the smallest unit of data the data can process.
|
Bit
|
|
8 bits gathered together as a unit which represent 256 different characters.
|
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
|
|
loses its contents when a computer is turned off
|
Volatile memory
|
|
does not lose its contents when a computer is turned off.
|
Nonvolatile memory
|
|
random access memory. A chip of memory that could be read for the processor and other devices.
|
Ram memory
|
|
read only memory. Memory chips storing permeate data.
|
Rom memory
|
|
a small circuit board.
|
Memory module-
|
|
- helps speed the process of the computer because it stores frequently used instructions.
|
Cache
|
|
built directly in the process or chip.
|
L1 cache
|
|
slower than l1 but has a much larger capacity.
|
L2 cache-
|
|
a type of nonvolatile memory that can be erased electronically and rewritten
|
Flash memory
|
|
complementary metal-oxide semiconductor- some ram chips use this technology.
|
Cmos
|
|
the amount of time it takes the processor to read the data, instructions, and information from memory.
|
Access time-
|
|
one billionth of a second.
|
Nanosecond
|
|
a socket on a motherboard that can hold an adapter card
|
Expansion slot
|
|
sometimes called a expansion card, is a circuit board that enhances the functions of a component of the system unit and provides connections to peripherals
|
Adapter card-
|
|
a type of nonvolatile memory that can be erased electronically and rewritten
|
Flash memory-
|
|
- a device that connects to the system unit and is controlled by the processor in the computer
|
Peripheral
|
|
- also called a graphics card, converts computer output into a video signal
|
Video card
|
|
enhances the sound generation capabilities of a personal computer.
|
Sound card
|
|
input and output plug-in
|
Hub
|
|
a video card
|
Graphics card-
|
|
a removable flash memory device that you can have in a computer, game console, or mobile device
|
Memory card
|
|
the point at which a peripheral attaches to or communicates with a system unit so that the peripheral can send data to or receive information from the computer.
|
Port
|
|
universal serial bus- can connect to 127 different peripherals together in a single connecter.
|
Usb port-
|
|
a port that can connect to multiple types of devices that require faster data transition speeds, such as digital cameras.
|
Fire wire port
|
|
a special high-speed parallel port where you can attach things like disk drives and printers.
|
SCSI port-
|
|
an external device that provides connections to peripherals through ports built into the device.
|
Port replicator-
|
|
an external device that attaches to a mobile computer or device contains a power connections and provides connections to peripherals.
|
Docking station
|
|
channels, which allow the various devices both inside and attached to the system unit to communicate with each other.
|
Bus
|
|
also called a front side bus- the part of the mother board and connects to the processor to main memory.
|
System bus-
|
|
also called system bus look above
|
Front side bus-
|
|
- connects the processor to a cache
|
Backside bus
|
|
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
|
|
is the component of the system unit that converts the wall outlet AC power in to DC.
|
Power supply
|