Tasks:2.0 Hardware:
CPU (a) state the purpose of the CPU (b) describe the function of the CPU as fetching and executing instructions stored in memory (c) explain how common characteristics of CPUs such as clock speed, cache size and number of cores affect their performance.(d) http://computer.howstuffworks.com/cpu-quiz.htm Binary logic (d) explain why data is represented in computer systems in binary formhttp://computationaltales.blogspot.co.uk/2011/06/unhappy-magic-flowers-and-binary.html (e) understand and produce simple logic diagrams using the operations NOT, AND and OR (f) produce a truth table from a given logic diagram. Memory (g) describe the difference between RAM and ROM (h) explain the need for ROM in a computer system (i) describe the purpose of RAM in a computer system (j) explain how the amount of RAM in a personal computer affects the performance of the computer (k) explain the need for virtual memory (l) describe cache memory (m) describe flash memory (n) discuss how changes in memory technologies are leading to innovative computer designs. QUIZ Input and output devices (o) understand the need for input and output devices (p) describe suitable input devices for a wide range of computer controlled situations (q) describe suitable output devices for a wide range of computer controlled situations (r) discuss input and output devices for users with specific needs. Secondary storage (s) explain the need for secondary storage (t) describe common storage technologies such as optical, magnetic and solid state (u) select suitable storage devices and storage media for a given application and justify their choice using characteristics such as capacity, speed, portability, durability and reliability. |
Support Materials:
|