WorksheetsUnit 2 Supplementary Quiz
Total questions: 23
Worksheet time: 15mins
How does data get into a computer?
Using a USB flash drive
Using input devices
Using Google
Using HTML code
The main purpose of a computer is to process data. The processing stage takes place within the...
Keyboard
RAM
CPU
Printer
...is a computer program that contains the set of instructions needed to tell the hardware what to do.
Hardware
Input device
Processing
Software
... is any physical component that makes up the computer.
Hardware
Software
Storage
Microchip
What is the role of the motherboard?
The motherboard is a circuit board that connects the CPU to the memory and all the other hardware.
The motherboard is the computer's brain.
It is a piece of software inside the computer.
What comes next in the sequence of file sizes? bit, nibble, byte, kilobyte.....
megabyte, gigabyte
megabyte, petabyte
gigabyte, megabyte
gigabyte, zetabyte
What does the main memory (RAM) do?
Note: There may be more than one correct option. Select all that apply.
Stores programs
Stores data
Executes programs
Executes data
Processes data
What is stored in storage devices?
Note: There may be more than one correct option. Select all that apply.
Hardware components
Programs
Data
None of the above. The term ‘storage’ is misleading.
Input
Mouse
Output
Printer
Neither Input nor Output
Processor
Both input and output
Touchscreen
Input
Keyboard
Output
Speaker
Both input and output
Touchscreen
Neither input nor output
Power supply
___ is the main memory that is used to store computer programs and data that are currently in use.
RAM
ROM
CD Drive
DVD Drive
What are the number choices in binary?
0 and 1
0, 1 and 2
0 to 2
0 to 9
What is 23 in binary?
10101
10110
10111
11000
What is the word size (number of bits) of most new computers?
8
16
32
64
What is 1111 in denary (base 10)?
(a)
What is 0111 in denary (base 10)?
(a)
Inside the CPU, you will find:
ALU, CU, registers, cache memory
ADU, PC, storage, RAM memory
ARM, PC, controller, cache memory
APM, CU, time signal, RAM memory
What is the purpose of the CPU?
To process all the data and instructions.
To power the computer.
To speed up the computer.
Clock speed measures what?
Speed at which instructions are fetched from main memory
Time taken to perform a single processing cycle
Number of processing cycles that can be completed in 1 second
Speed at which instructions are decoded
What are the advantages of cache memory?
Runs at CPU speed
Keeps frequently used instructions to use again quickly
Reduces the number of times the CPU has to access the RAM
Cache is very cheap compared to RAM
Which of the following is considered an output device?
Keyboard
Mouse
Monitor
Scanner
What does RAM stand for?
Read Access Memory
Random Access Memory
Run Access Memory
Random Allocation Memory
