KS3 Computing/Hardware/Processor Fill in the blanks worksheet

Part 1: Using the words below, complete the sentences.

brain sorting decision process

This is often described as the _________________ of the computer.

The purpose of the CPU is to _____________ data. It is where all the searching,

______________, calculating and _______________ making takes place in the


Part 2: Using the words below, complete the sentences. (not all the words will be


quad core CPU cache processor clock speed Fetch-Execute cycle executing number of cores GigaHertz(GHz) efficient fetching


The Central Processing Unit is also called the CPU or the ______________. It is

the main component of the computer which does all the processing. It does this by

__________________ instructions from memory and ___________________ them.

This is called the ___________________.

Not all of the processors are the same and there are several things that can affect

the performance of a processor. The ___________________ tells us how quickly a

processor carries out the fetch decode execute cycle. It is usually measured in

___________________. The ________________ tells us how many processing

circuits there are in the processor. A __________________ processor has four

circuits. Each circuit can fetch and execute instructions ___________________.

This means more than four times as many instructions can be executed in a given

time than on a _______________ CPU.