Computer systems- CPU 'n other stuff

Question 1

What is the role of the CPU?

Answer 1

Carries out the instructions given to a computer.

Question 2

Define clock speed

Answer 2

Clock speed tells us how many instructions can be carried out within a second.

Question 3

What is clock speed measured in?

Answer 3

Hertz

Question 4

What is overclocking?

Answer 4

The process of changing a set clock speed.

Question 5

What is the common amount of cores a CPU has?

Answer 5

2,4 or 18 cores

Question 6

What can cores do?

Answer 6

Cores can allow more programs to be open and running without slowing down the performance.

Question 7

What is cache?

Answer 7

Small amount of memory stored on a computer which temporarily holds data and instructions that the CPU is likely to re-use

Question 8

Where does the CPU check for instructions first?

Answer 8

The CPU checks the cache first for instructions

Question 9

How does this save time?

Answer 9

Saves fetching the instructions and data repeatedly from RAM

Question 10

What is the rule of the AND gate?

Answer 10

Two inputs. Both inputs have to be 1 for the output to be 1.

Question 11

What is the rule of the OR gate?

Answer 11

Also has two inputs however one or both inputs must be 1 to output 1 otherwise it’ll be 0.

Question 12

What is the rule of the NOT gate?

Answer 12

Output will be the opposite of the input. If input is 0,output is 1.