WorksheetsComputer Systems Revision
Total questions: 22
Worksheet time: 11mins
Which answer doesn't include a computer:
Laptop and Smartphone
Tablet and Laptop
Desktop and Kettle
Smartphone and Tablet
Which object doesn't have computer embedded inside?
Drone
Washing Machine
Wall Clock
Airplane
Which one is type of Input Device:
Monitor
Keyboard
Speakers
Printer
Which one is NOT Output Device type?
Mouse / Mice
Scanner
Graphic Tablet
Game Controller
Input is taken to Computer for process and it produces:
Result
Output
Chocolate Cake
Sound Effect
What computer needs to get from user to produce output at the end?
Sugar and Milk
Input
CPU
CD-ROM
Which one is NOT type of backing storage?
Hard Drive
USB Flash Drive
Microphone
CD/DVD
1 bit has two values:
0 and 10
1 or 0
2 or 1
Yes / NO
How many bits is inside 1 byte?
10
8
1 or 0
1024
How many bytes is inside 1 Kilobyte?
8
0 or 1
1024
10
Tick all parts of Central Processing Unit:
ALU ( Arithmetic and Logic Unit)
Control Unit
Registers
RAM
CPU stands for:
Central Processing Unit
Coded Processed Uniform
RAM stands for Random Access Memory
True
False
ROM stands for Read Only Memory
False
True
RAM is temporary type of computer memory
True
False
What happens to content of RAM when computer is off?
Waiting to be turned on again
It's lost
It's saved
it's secured
ROM is permanent memory type of computer:
True
False
Which answer shows the units scale from smallest to biggest:
bits < bytes < kilobytes < megabytes <gigabytes
gigabytes < megabytes < kilobytes < bytes < bits
Arithmetic and Logic Unit is part of CPU. It performs calculations and logical decisions.
True
False
Registers are part of CPU. It stores small information for computer.
True
False
Control Unit is part of CPU. It controls the order of execution and the timing of instructions.
True
False
RAM is volatile type of memory which means it doesn't need power to store data in. It would work when computer is off.
True
False
