WELCOME
WELCOME
COMPUTER
Francis BennyPhysical scienceClass no:42
By,
INTRODUCTIONA device that computes, especially
a programmable electronic machine that performs high-speed mathematical or logical operations or that assembles, stores, correlates, or otherwise processes information.
PARTS OF THE COMPUTER
Computer systems have four parts Hardware Software Data User
Hardware Mechanical devices in the computer Anything that can be touched CPU , Keyboard , mouse
Software Tell the computer what to do Also called a program Thousands of programs exist MS Office , photoshop , adobe
reader
Data Pieces of information Computer organize and present data
Users People operating the computer Most important part Tell the computer what to do
INFORMATION PROCESSING CYCLE Steps followed to process data Input Processing Output Storage
ESSENTIAL COMPUTER HARDWARES
Hardware categorised into 4 types Processing devices Memory devices Input and output devices Storage devices
Software categorized into 2 types System software Application software
EDUCATIONAL IMPLICATIONSThe student is actively exploring phenomena ,instead of being a passive recepient of information. Teacher and students can use computer –Based tools such as, Text or Graphic editors, Databases, Spreadsheets, or Presentation packages , to help in processing information
THANK YOUTHANK YOU