Computer systems Quiz The CPU What does CPU
- Slides: 9
Computer systems Quiz
The CPU • What does CPU stand for? (1) • Which 3 step cycle does the CPU follow? (1) • In order to run, name 3 things that the CPU needs? (3)
Clock Speed • What unit is clock speed measured in? (1) • What does clock speed measure? (1) • An advantage of overclocking a CPU? (1) • Name two disadvantages? (2)
Cache • What is the role of the cache? (2) • Why is cache memory preferable to RAM? (1) • Complete the sentence: The _______ the cache (2) size is, the _______ instructions can happen simultaneously. • Is cache volatile or non volatile? (1)
Cores • What is the benefit of having multiple cores? (1) • If you have a dual core processor, why (2) does it not reduce the time it takes to run a program by exactly half? • How many cores does an octocore processor contain? (1)
ROM • What does ROM stand for? (1) • Is this non volatile or volatile storage? (1) • Define volatile and non volatile (2) • Is ROM classed as secondary storage? (1)
RAM • Is RAM volatile or non volatile? (1) • Which of the RAM, level 1 cache, level 2 cache, that is the (2) a) fastest? b) biggest? • What does RAM stand for? (1) • Why do computers need RAM? (2)
Label the motherboard with as many components as you can… Try to include • CPU • RAM (input) • Inputs • Outputs
Exam style questions • a) PC 1 has a single core processor with a clock speed of 2. 8 GHz. PC 2 has a dual core processor with a clock speed of 2 GHz. Explain why the computer with the better clock speed may not be as fast as the one with an extra core. • b) Why is it important that both of these computers have a decent amount of RAM? (3) (4)