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Computer Concepts

QuestionAnswer
an electronic device that operates under the control of a set of instructions that is stored in its memory unit. computer
a computer system is made up of hardware and software
consists of the computer itself, and any equipment connected to it hardware
is a set of instructions that the computer follows in performing a task software
the largest, most powerful, most expensive, and fastest computers super computer
they are expensive and are often called servers mainframe
7 characteristics speed, accuracy, capacity, durability and reliability, versatility, cost effectiveness, technical growth
2 types of microcomputers personal and workstations
small computers that can fit in a briefcase and can compete with a microcomputer laptop
4 basic functions of hardware input, processing, output, storage
accept data in a form the computer can utilize input device
machine cycle fetches, decodes, executes, and stores
speed the computer is measured in megahertz/gigahertz
measures the ability of the computer to perform complex operations megaflop
2 types of memory ram/rom
memory is measured in bytes
an internal storage device hard disk
a way of storing data in more than one location backup system
device displays the processed information to the user output device
brains of the computer cpu
monitor output softcopy
program that consists of instructions used to control hardware software
2 categories of software application and system
allows you to perform a particular task or solve a specific problem application software
using more than one program at the same time multitasking
5 classes of computers super, mainframe, micro, tablet, laptop
memory for the user ram
memory for the computer rom
Created by: 23soyster
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