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3.3 Data storage
PRIMARY STORAGE Main memory inside a computer Directly accessed by CPU, faster access than secondary storage both volatile and non-volatile Random Access Memory (RAM) is a hardware device allows...……
Theo - 2026年5月11日 12:13
3.4 Network hardware
Internet Service Provider (ISP). Describe the role of an Internet Service Provider (ISP). - Provide access to the internet / dial up / broadband - Usually charge a monthly fee - Monitor usage - Gi...……
Theo - 2026年5月11日 11:04
3.2 Input and output devices
Two-dimensional Scanners Used to input hard-copy documents The image is converted into an electronic form which can be stored in the computer Optical Character Recognition (OCR) is a software whic...……
Theo - 2026年4月20日 12:22
3.1 Computer architecture
Computer Architecture & Von Neumann architecture The central processing unit (CPU) (also known as a microprocessor or processor) is central to all modern computer systems the purpose of a core ...……
Theo - 2026年4月15日 10:10
7.1 The program development life cycle
Program Development Life Cycle (PDLC) Analysis Design Coding Testing Maintenance Analysis Before solving a problem, it is essential to define and document the problem clearly, known as the "requ...……
Theo - 2026年3月26日 14:47