CHAPTER 1

TYPES OF COMPUTERS
mainframe
server
desktop
workstation
laptop
handheld

REPRESENTING INFO DIGITALLY
The term BIT is na abbreviation of BINARY DIGIT and represents the smallest piece of data. human interprets words and pictures; computers interpret patterns of bits.
A BIT can have only 2 possible values,one(1)or a zero (0)
A commonly used code is the American Standard Code for information Intechange(ASCII).With each character is represented by a strig of bits.for example
Capital letter:A=01000001
Number:9=00111001
Special character:#=00100011

Each group of 8 bits, such as the representations of letters and numbers, is known as a BYTE.
CODES can be used to represent almost any tipe of info digitally:
computers data
graphics
photos
voice
video
music

COMPUTER SYSTEM

Whatmakes a computer better suited to play a game or a new audio over another is its components and periphericals that make up its system.