AS/A level - Computer Science -Chapter 3- Hardware

Show understanding of the need for input, output, primary memory and secondary (including removable) storage.Describe the principal operations of hardware devices Show understanding of the use of buffersExplain the differences between Random Access Memory (RAM) and Read Only Memory (ROM)Explain the differences between Static RAM (SRAM) and Dynamic RAM (DRAM)Explain the difference between Programmable ROM (PROM), Erasable Programmable ROM (EPROM) and Electrically Erasable Programmable ROM (EEPROM)Show an understanding of monitoring and control systems

Candidates should be able to:Use the following logic gate symbols:
Understand and define the functions of: NOT, AND, OR, NAND, NOR and XOR (EOR) gatesConstruct a logic circuitConstruct a truth tableConstruct a logic expression