AS & A Level IT 9626 Chapter 2 Hardware and Software Notes By Fahim Siddiq.
CIE IT 9626 Chapter 2 Data Hardware & Software Syllabus Includes;
2.1 Mainframe computers and supercomputers
2.2 System software
2.3 Utility software
2.4 Custom-written software and off-the-shelf software
2.5 User interfaces