Week 1 Flashcards
A set of instructions for a computer to follow
Program
The collection of programs used by a computer
Software
The actual physical machines that make up a computer
Hardware
Three main classes of computer
PCs
Workstation
Mainframes
It is a relatively small computer designed to be used by one person at a time
Personal Computer (PC)
It is essentially larger and powerful pc
Workstation
It is an industrial strength pc
Workstation
It is even larger computer that requires some support staff and generally is shared by more than one user
Mainframe
It consist of a number of computers connected, so they may share resources such as printers, and may share information
Network
Main components of computer
Input devices
Output devices
Processor (CPU)
Main memory
Secondary memory
Is any device that allows a person to communication to the computer
Input device
Is any device that allows computer to communicate to you
Output device
Display screen referred to as
Monitor
Keyboard and monitor are sometimes thought of a single unit called
Terminal
Terminal composes of
Keyboard and monitor
It is where the input stored
Memory
Computer’s2 form of memory
Main memory
Secondary memory
It is the most important memory
Main memory
____ consists of a long list of numbered locations called ____
Main memory
Memory locations
A digit that can assume only the values zero or one
Binary digit or bit
8 bit is = ___ byte
1
The number that identifies a byte is called
Address
Is the memory that is used for permanent record of information
Secondary memory
Other terms of secondary memory
Auxiliary memory
Auxiliary storage
External memory
External storage
