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
Information in secondary storage is kept in units called
Files
Main memory is often referred to as
RAM (Random Access Memory)
It is the brain of the computer
Processor or CPU (Central Processing Unit)
It allocates the computer’s resources to the different tasks that the computer must accomplish
Operating system
It is what we conceptualize as the input to the program
Data
It is a language that must undergo one simple translation before the computer can understand it
Assembly language
Program written in the form of zeros and ones
Machine language
A program that translates a high level language to a machine language
Compiler
In compiler, the input program is
Source program/source code
The translated version produced by the compiler
Object program/object code
It is used to mean a program or a part of a program
Code
It combines the object code for these program pieces with the object code that the compiler produced
Linker
The process of combining code
Linking
First truly programmable computer was designed by
Charles Babbage
First computer programmer
Ada Augusta
