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WorksheetsG8R1(25-26)
Total questions: 60
Worksheet time: 30mins
Decomposition is when we group problems together.
true
false
Which of these is a term for a series of logical steps?
algorithm
anagram
application
abstraction
What is the term for each full run through a bubble sort?
pass
play
plus
part
What real-world example is often used to describe a bubble sort?
a door opening
riding a bike
a fizzy drink
growing a plant
A bubble sort start with the last two values in a sequence.
true
false
What are Python, Java and C++ all examples of?
high-level programming languages
low-level programming languages
complex programming languages
pseudocode
A merge sort divides in half until how many values remain?
4
3
2
1
What is the term for each version of the original list?
part-list
sub-list
pair-list
character-list
Which term is also used to describe a merge sort?
split and separate
join and combine
divide and conquer
create and conquer
What is the alternative term for a linear search?
limited search
serial search
secret search
binary search
What do we call the process of removing unwanted information from a problem?
abstraction
destruction
creation
absolution
A linear search is not a sequential search.
true
false
A binary search uses the 'divide and conquer' method.
true
false
Searching a dictionary is an example of a binary search.
true
false
For a binary search to work, the list must be sorted.
true
false
Why is a merge sort useful for large data sets?
it is more accurate
it is efficient
it is memory intensive
it is repetitive
A linear search is most suitable for large data sets.
true
false
Data must be sorted before a linear search can be used.
true
false
Which type of error usually causes a program to stop running?
logic
syntax
What is the correct operator for 'equal to'?
=
==
===
====
What is the standard sample rate for high-quality audio?
44Hz
12 200 Hz
44 100 Hz
44 444 Hz
What do hertz (Hz) measure?
amplitude
beats per minute
samples per second
the length of the track
Binary is used to store which type of audio?
analogue
digital
How many bits are there in 1 megabit (Mbit)?
100
1000
100000
1000000
Which of these is an uncompressed audio file format?
mp3
tiff
WAV
zip
A magnetic hard drive usually has a higher capacity than a solid-state drive.
true
false
How many megabytes of data can a standard CD hold?
7
70
700
7000
All optical discs are rewritable.
true
false
All cloud storage is free.
true
false
A laptop is an example of portable storage.
true
false
For a user with a small budget and unreliable internet access, what type of storage would you recommend?
magnetic
solid-state
cloud
Which of these is not a type of backup?
full
partial
differential
incremental
A backup system cannot be cloud-based.
true
false
Cloud storage capacities cannot be increased.
true
false
What does CPU stand for?
command program unit
central processing unit
complex presentation unit
What does GUI stand for?
graphical user interface
general user identity
graphical unit input
Which of these is not an audio device?
game controller
speaker
microphone
headset
Which component connects to most other internal components?
hard drive
RAM
motherboard
power supply
By what part of the body is the CPU also known?
arms
eyes
stomach
brain
A monitor or projector is normally connected to which component?
CPU
graphic card
ROM
hard drive
What is the most popular program language used in schools?
Java
C++
Python
pascal
High-level languages use key terms that can be read by humans.
true
false
Which of the following can communicate directly with the CPU?
Python
machine code
C++
Swift
Which processor runs on a small set of instructions?
RISC
CISC
Most modern CPUs use elements of both RISC and CISC.
true
false
Modern BIOS is now being replaced by which specification?
UAFA
UEFI
EUFI
FEUI
Which of the following can be updated by the manufacturer of a device?
ransomware
software
firmware
malware
What does ROM stand for?
random output motherboard
ready-on megabyte
read-only memory
rapid output machine
Which of these memory types loses all data if the power is turned off?
ROM
BIOS
RAM
RAM within a desktop computer cannot be upgraded.
true
false
Processing that needs more RAM than is available will cause a computer to crash.
true
false
What is another term for moving data between RAM and the hard drive (paging)?
switching
swapping
swiping
staging
Which component creates virtual memory?
ROM
CPU
operating system
Virtual memory is faster than RAM.
true
false
Removing unused programs and utilities can improve RAM performance.
true
false
When buying a computer, CPU speed is the most important feature?
true
false
How is RAM capacity usually measured?
megabytes
gigabytes
terabytes
petabytes
A CPU has no internal memory.
true
false
A full backup would not usually include which type of data?
user documents
applications
file downloads
operating system
How many bits are there in a byte?
2
4
6
8
