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IGCSE IT Revision
Central processing unit
Random Access Memory (RAM)
Read-Only Memory (ROM)
What Are Input Devices?
What Are Output Devices?
What is an Operating System?
Graphical User Interface (GUI)
Command Line Interface (CLI)
Mainframe Computer
Integers
Peripheral Devices
Boolean
Numeric Data
Alphanumeric (Text) Data
What is a Record
What is Systems Analysis?
What is a Microprocessor?
What is Hacking?
What is Malware?
What is a Computer Virus?
What is Software Copyright?
Phishing
Pharming
Real Numbers
Currency
Percentage
Date and Time Data
Flat-File Databases
Relational Databases
Internet Banking
Batch Processing
Online Processing
