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Information Technology Free Revision Notes

1: Short Course ICT (OCR) Exam Guide

  The exam is worth 40% of your final mark so it’s important you gain every mark you can. It is multiple choice. Each question has 4 possible answers. You will be given a piece of informati

2: Health And Safety Issues Of IT
REPETITIVE STRESS INJURY    prevented by     - using wrist supports            - using ergonomically designed devices &n

3: Impact Of Information Technology On Society
This is simply the effect that information technology has on our everyday lives.

4: Feasibility Study & System Design
This is the decision of whether to convert a manual system into a system using information technology.

5: Processing Methods
REAL TIME PROCESSINGReal-time uses on-line systems which are directly connected to a computer and under its control.    The computer is always ready for data to be input.   &n

6: User Interfaces And Operating Systems
The Purpose of Operating System software is to :    1. Control Hardware ( devices ) e.g. Mouse & printer drivers   2. Provide a "graphical user interface" between the

7: Programming
- high level programming languages are used to program - visual basic - making windows programs = object orientated language - HTML - hyper text mark-up language = the language of the

8: Computer Law And Data Security
THE DATA PROTECTION ACTThis Law covers the storage of personal data about members of the public on a computer system.What is personal data? Information about yourself that you don't want other people

9: Software
TYPES OF SOFTWAREGeneric software        - Word Processor        - SpreadsheetApplication software        - Li

10: The Internet
What is the Internet? A network of computer networks that enables information to be exchanged and shared. How do I connect my PC to the Internet?    1. Purchase a modem to connect your PC to


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