1.1 system architecture

Question 1

processor

Answer 1

A machine that processes something. The brains of the computer. Processes data. Carries out instructions. Speed measured in hertz.

Question 2

MHz

Answer 2

Used to measure clock speed in a computer. How many million instructions per second.

Question 3

GHz

Answer 3

Is a unit of measurement for alternating current. A billion instructions per second.

Question 4

Hertz

Answer 4

Its one processing cycle in a computer.

Question 5

Instruction

Answer 5

All computer software is built up of sets of instructions. Instructions are encoded in binary. The fetch-decode-execute cycle is the sequence of steps that the CPU follows to process instructions.

Question 6

execute

Answer 6

Carry out an instruction.

Question 7

Embedded System​

Answer 7

Is a computer within another device e.g. dish washer.

Dedicated system 

Question 8

Clock Speed​

Answer 8

The speed the processor carries out instructions.

Question 9

Cache

Answer 9

This is very fast memory. Between the processor and RAM (main memory).

Question 10

Core

Answer 10

Part of the processor that executes instructions. Duel core means 2 that means you can do two lots of instructions at the same time.