1. A simple model of the computer MainMemoryInputOutput Processor Devices DevicesBackingStorage 2. The Processor Arithmetic and Logic Unit (ALU) Carries out calculations…

1. 1.1 Introduction Data representation considers how a computer uses numbers to represent data inside the computer.Three types of data are considered at this stage:1. Numbers…

Slide 1 GCSE Information Technology Computer Systems Slide 2 GCSE Information Technology The three stages of computing are input, processing and output. A computer works…

Data Representation The method of data representation in a computer system depends upon the type of data which is being used. Three types of data are considered at this stage:…

Homework Question 1 CD ROM disk is an example of an optical storage device. CD ROM disks can only be used to read information stored on them. The user cannot save data to…

Storage Devices Storage Store information Storage involve two processes: Writing or recording the data so it can be found later for use, Reading the store data, then transferring…

Computer Systems Frank Frame Standard Grade Computing Studies STANDARD GRADE COMPUTING STUDIESii COMPUTER SYSTEMS First published 2004 © Learning and Teaching Scotland…

A computer is an information processing machine. A computer only follows the instructions it is given. Data is Input, Processed and then Output. What is a Computer? Iâm…