COMPUTER SYSTEM system concept (overview ( (INPUT (Any data or…
electronic device that accepts data (input), process data, produces information (output) and store the information for future use.
A complete, working computer that includes operating system, software and hardware which are necessary to make the computer function.
Any data or instruction entered into the memory of a computer
Transforming data into information.
Data that has been processed into a useful form (information).
Location in which data, instructions and information are held for future use
include number, character and symbol, images, audio, video
Processed data that conveys meaning
and is useful to people
using two unique binary digits
computer recognizes only two discrete electrical states
(on and off)
the smallest unit of data the computer can process.
-Short for binary digit (1 or 0)
-Represents an electrical state (on or off)
-Bit 1 represents On
-Bit 0 represents Off
8 bits that are group together as a unit.
-Is the basic storage unit in memory.
-Represents a character such as a digit, a letter, a punctuation mark or any symbol in computer
-1 byte could be equal to 1 character
1 byte = 8 bits
½ page amount of text
100 Megabytes might hold a couple volumes of Encyclopedias
600 Megabytes is about the amount of data that will fit on a CD-ROM disk
1 Gigabyte of data is almost twice the amount of data that a CD-ROM can hold
1 Gigabyte could hold the contents of about 10 yards of books on a shelf.
100 Gigabytes could hold the entire library floor of academic journals
Terabyte could hold about 3.6 million 300 Kilobyte images or maybe about 300 hours of good quality video