2.0 COMPUTER SYSTEMS
2.1 System Concept
126.96.36.199 Input, process, output and State the meaning of storage.
188.8.131.52 Describe the information processing cycle which includes input,output,process, and
2.1.2 Data Representation
2.1.3 Introduction to Binary Coding
184.108.40.206 Explain the function of ASCII code.
2.1.4 Data Measurement
220.127.116.11 State the units of data measurement:
- Kilobyte (KB)
- Megabyte (MB)
- Gigabyte (GB)
- Terabyte (TB)
2.1.5 Clock Speed Measurement
18.104.22.168 State the units of clock speed measurement:
• Megahertz (MHz)
• Gigahertz (GHz)
2.2.1 Input Devices
2.2.2 Output Devices
22.214.171.124 Identify the output devices used for text, graphic,audio and video
126.96.36.199 Identify the location of the central processing unit (CPU), expansion slots, expansion
cards, RAM slots,
ports and connectors on the motherboard.
188.8.131.52 Explain types and functions of :
- primary storage (RAM, ROM)
- secondary storage (magnetic medium optical medium, flash memory)
2.3.1 Operating System (OS)
184.108.40.206 State the various types of OS used on different platforms.
220.127.116.11 State the functions of OS.
18.104.22.168 State the different interfaces of OS.
2.3.2 Application Software
22.214.171.124 State the types of application software (wordprocessing, spreadsheet, presentation,
126.96.36.199 Describe the uses of application software (wordprocessing, spreadsheet, presentation,
2.3.3 Utility Program
188.8.131.52 Differentiate between the types and usage of utility programmes (file management,
diagnostic and file compression).
2.3.4 Proprietary and Open Source Software
184.108.40.206 Differentiate between proprietary and open source software.
2.4.1 Personal Computer (PC) Assembling
220.127.116.11 Assemble the components of a PC.
18.104.22.168 Display cooperation in assembling the components of a PC.
2.4.2 Hard Disk Partitioning and Formatting
22.214.171.124 Format and partition the hard disk.
2.4.3 Software Installation
126.96.36.199 Install operating system, application software and utility programs.
2.5 Current and Future Developments
2.5.1 Software Available Latest Open Source
188.8.131.52 Explain the latest open source OS and application software available in the market.
2.5.2 Latest Development In ICT
184.108.40.206 Explain the latest ICT hardware and software
220.127.116.11 Explain pervasive computing.