Reading...
Play button
Play button
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;
49 Cards in this Set
- Front
- Back
|
System unit
|
A case it contains electronic components of the computer used to process data
|
|
|
Motherboard
|
Systemboard, main circuit board of the system unit
|
|
|
Chip
|
A small piece of semi conducting material on which integrated circuits are etched
|
|
|
CPU
|
Central processing unit, interprets and carries out the basic instructions that operate a computer
|
|
|
Multicore processor
|
A chip with two or more separate processor cores
|
|
|
Control unit
|
The component of the processor that directs and coordinates most operations in the computer
|
|
|
ALU
|
Arithmetic logic unit, component of the processor, performs arithmetic, comparison, and other operations
|
|
|
System clock
|
Small quartz crystal circuit that controls the timing of all computer operations
|
|
|
Clock speed
|
The pace of the system clock
|
|
|
Binary system
|
A number system that has just two unique digits, zero and one, called bits
|
|
|
Bit
|
Binary digit, smallest unit of data the computer can process
|
|
|
Byte
|
When eight bits are grouped together as a unit
|
|
|
Memory
|
Electronic components in a computer that store instructions waiting to be executed and data needed by those instructions
|
|
|
Volatile memory
|
When the power to resolve it loses its contents
|
|
|
Non-volatile memory
|
Does not lose contents when power is lost
|
|
|
RAM memory
|
Random access memory, consists of memory chips that can be read from and written to buy the processor and other devices
|
|
|
ROM Memory
|
Read only memory, memory chips store impermanent data and instructions
|
|
|
Memory module
|
A small circuit board
|
|
|
Memory slot
|
On the motherboard holds memory modules
|
|
|
Cache
|
Area of memory that stores the contents of frequently used data or instructions
|
|
|
L1 Cache
|
Billed directly interprocessor ranges from 8 kB to 128 kB
|
|
|
L2 Cache
|
Slightly slower than L1 but holds more up to 64 MB to 16 MB
|
|
|
ASCII
|
American Standard code information interchange
|
|
|
Flash memory
|
A type of nonvolatile memory that can be erased and rewritten
|
|
|
CMOS
|
Complementary metal oxide semi conductor, battery
|
|
|
Access time
|
The amount of time it takes the processor to read data, instructions, and information from memory
|
|
|
Nanosecond
|
1 billionth of a second
|
|
|
Expansion slot
|
Socket on the motherboard that can hold an adapter card
|
|
|
Adapter card
|
Expansion card, a circuit board that enhances functions of a component of the system
|
|
|
Flash memory
|
A type of nonvolatile memory that can be erased electronically or rewritten
|
|
|
Peripheral
|
A device that connects to the system and is controlled by the processor
|
|
|
Video card
|
Graphics card, converts computer output to a video signal that travels the cable to a monitor, which displays an image on screen
|
|
|
Soundcard
|
Enhances the sound generating capabilities on a computer
|
|
|
Hub
|
Allows many devices to be connected
|
|
|
Graphics card
|
Converts computer output into video signal that travels the cable to a monitor, which displays an image on screen
|
|
|
Memory card
|
A removable flash memory device
|
|
|
Port
|
The point at which a peripheral attaches to a system unit
|
|
|
USB port
|
Universal serial bus, can connect up to 127 different peripherals together at once
|
|
|
FireWire port
|
Similar to USB port
|
|
|
SCSI port
|
Allows you to attach SCSI peripherals
|
|
|
Porch replicator
|
An external device that provides connection to peripherals through ports built into the device
|
|
|
Docking station
|
An external device that attaches to a mobile computer or device
|
|
|
Bus
|
Allows the various devices both inside and attached to the system unit to communicate with each other
|
|
|
System bus
|
Front side bus, is part of the motherboard and connects the processor to main memory
|
|
|
Backside bus
|
Connect the processor to cache
|
|
|
Expansion bus
|
Allows processor to communicate with peripherals
|
|
|
Bay
|
An opening inside the system unit in which you can install additional equipment
|
|
|
Drive bay
|
Rectangular opening that typically holds disk drives
|
|
|
Power supply
|
The components of the system unit that converts AC power to DC power
|
