week 4 Flashcards
refers to any physical component of a computer
hardware
also called
a central processor or main processor, is
the electronic circuitry within a computer that
executes instructions that make up a computer
program
CPU
Converts text, sounds, and images into electrical signals
Data Representation
Manipulates simple “on” and “off” signals to perform complex tasks
Digital Electronics
Works with discrete - distinct or separate - data or digits, such as 1 and 0
Digital Device
Works with continuous data
Analog Device
Used in arithmetic operations
Numeric Data
extended Binary Coded Decimal Interchange Code
An alternative 8-bit code used by IBM mainframe computers
EBCDIC
Provides codes for 65,000 characters and makes use of 16 bits
UNICODE
Composed of four (4) bits
A halfway between a little bit and a big byte
NIbble
Also known as main board
motherboard
Sometimes known as processor
the most significant component of computer
Usually the most expensive single component
Microprocessor
List of instructions that a microprocessor can perform
Instruction Set
the electronic that holds place for instructions and data which the microprocessors can reach quickly
Memory
A technique of collecting, manipulating, and distributing data to achieve certain functions
Data Processing