Worksheets8 ET Homework 3
Total questions: 14
Worksheet time: 22mins
Which component is which?
RAM
ROM
Data stored in the main memory is temporary, and lost when the computer is turned off. This is known as being...
(a)
Label this computer system diagram.
Storage
Input
Output
Process
Memory
Match the following
10
A
13
D
15
F
3
3
8
8
Organize these options into the right categories:
Monitor
Mouse
Keyboard
Webcam
Microphone
Hard Drive
USB Memory Stick
Printer
Speaker
Touch Screen
Projector
Solid State Drive
SD Card
The purpose of the (a) is to (b) instructions from memory, (c) them and then (d) the instructions.
Match the following parts of the CPU with their purpose.
It carries out the calculations in the CPU.
Arithmetic Logic Unit
Stores currently used data close to the CPU so instructions can be fetched faster.
Cache
Controls the movement of data around the CPU during the fetch-decode-execute cycle.
Control Unit
Fill in the missing term:
The Central (a) Unit
The (a) the clock speed the (b) fetch-decode-execute cycles it can perform per (c) .
How can we choose a better performing CPU?
The larger the cache size the more instructions...
...stored for quick access for the CPU.
The higher the clock speed the more instructions...
...can be processed per second.
The more cores in the CPU, the more instructions...
...can be processed at the same time.
Convert this hexadecimal value to binary: A6
Match the following:
5
0101
8
1000
B
1011
E
1110
3
0011
What is the hexadecimal equivalent of 00101111
(a)
A (a) image is made out of small blocks of colour called (b) . The more pixels in an image the higher the (c) and therefore the better the (d) of the image.
