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Year 8 Dig Tech Revision Flashcards | StudBud
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Year 8 Dig Tech Revision
Year 8 Dig Tech Revision
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Year 8 Dig Tech Revision
Flashcards
53 cards
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Questions
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Answers
1
What links each instruction in a flowchart?
A line
An arrow
A double line
2
What is abstraction?
The process of ignoring irrelevant and unnecessary info.
The process of filtering out irrelevant characteristics
The process of filtering out unnecessary detail
3
What is computational thinking?
Thinking like a computer - in binary
Using a set of techniques and approaches to solve problems
Giving instructions to a computer
4
What is a flowchart?
A description of instructions that don’t use specific syntax
A high-level language that has specific syntax
A diagram that represents a set of instructions
5
To be able to draw cars, which of the following characteristics is it necessary to know about?
Who owns them
Who sells them
If they have wheels
6
What language are web pages written in?
HTML
C++
LOGO
7
Which of these is an example of decomposition?
Looking at different bicycles for similarities between them
Finding out how a bike works by looking at it part by part
Watching a mechanic repair a bicycle
8
Which of these is an example of decomposition?
Looking at what different kinds of cake can be made
Taking the problem of baking a cake and making a good cake
9
To create a effective program, how many computational thinking techniques are usually required?
Three
Two
Four
10
What is the correct symbol for a process instruction in a flowchart?
A square
A parallelogram
A rectangle
11
Which of the following contains a pattern?
All parrots have wings
My parrot can say "Hello, boys!"
This parrot is blue and green
12
Which of the following is
NOT
a general characteristic?
This book is fun to read
Books are fun to read
My books are fun to read
13
Which of the following contains a pattern?
My house has a garden
My friend's house has a garden
My house and my friend's house have gardens
14
What is decomposition?
Adding detail to make a problem more complex
Breaking down a complex problem manageable parts.
When you ignore the unnecessary detail in a problem
15
How can an algorithm be represented?
As a flowchart
As pseudocode
As a flowchart or pseudocode
16
What is the correct symbol for an output in a flowchart?
A diamond
A parallelogram
A rectangle
17
When drawing a dog, which of the following characteristics could be ignored?
Dogs have a nose
Dogs have paws
Dogs run quickly
18
What might happen if we don't look for patterns?
We might not correctly solve the problem
Our solution may be inefficient
We might create an incorrect or an inefficient solution
19
What is pseudocode?
A high-level language that has specific syntax
A set of instructions that doesn’t use specific syntax
A diagram that represents a set of instructions
20
Which of the following contains a pattern?
All cars have wheels
My friend's car has an MP3 player
My car is blue
21
What is a computer that serves web pages called?
Web deliverer
Web page stream
Web server
22
Which of the following is
NOT
an example of computational thinking?
Considering much time you have before choosing a reastruant.
Letting the bossiest friend decide where you should all go
Considering the different options before choosing the best
23
What is the correct symbol for an input in a flowchart?
A rectangle
A parallelogram
A square
24
What is a company that provides Internet access to customers commonly known as?
ISP
EXE
PDF
25
Why do we need to think computationally?
To help us solve complex problems more easily
To help us to program
To help us to think like a computer
26
Which of these is an example of decomposition?
Looking at what different crimes could be committed
Guessing who solved a crime from previous patterns.
solving the complex problem of a crime by breaking it down.
27
What would you be most likely to use to find web pages about a particular topic?
Forum
Search engine
Phone book
28
What does URL stand for?
Uniform Resource Locator
Universal Resource Location
Uniform Resource Location
29
What is pattern recognition?
Looking for similarities among and within problems
Breaking down a complex problem into smaller problems
Building models from patterns
30
Which of the following does
NOT
contain a pattern?
Some clocks have alarms
Some clocks are digital
This clock has hands
31
Which of the following is a general characteristic?
This dog has a wet nose
This dog has a brown coat
Dogs run quickly
32
What piece of software do you need to view web pages?
Web browser
Web screen
Web viewer
33
Which of the following is
NOT
an example of computational thinking?
Accidentally completing a video game level
Planning what to collect to beat a video game level
Planning how to beat your enemies in a video game level
34
Why do we decompose a complex problem?
To make it easier to solve
To change the problem we have
To make it more difficult to solve
35
What is an algorithm?
Patterns and trends used to solve a problem
A set of step-by-step instructions to resolve a problem
A programming language
36
Which of these would
NOT
be involved in decomposing a problem?
Adding more parts to the problem so it becomes more complex
Working out who could help you solve a part of the problem
Thinking how the problem could be divided into smaller parts
37
Why do we need to look for patterns in problems?
Patterns make it easier for us to solve complex problems
We don't need to look for patterns
Patterns make it more difficult to solve complex problems
38
Which of the following does
NOT
contain a pattern?
My dog likes swimming
All dogs have tails
Our dogs like walks
39
What does ISP stand for?
Internet Systems Provision
Internet Service Provider
Insurance Service Provider
40
What does WWW stand for in the context of the Internet?
World Wide Web
Web Wide World
Wide World Web
41
What is the correct symbol for a decision in a flowchart?
A square
A rectangle
A diamond
42
Which computational thinking technique involves breaking a problem down into smaller parts?
Abstraction
Decomposition
Algorithms
43
What is the first page you access when you visit a website, eg http://www.bbc.co.uk, called?
First page
Main page
Homepage
44
What are algorithms used for?
As a platform to program a solution
To plan out the solution to a problem
To test a solution to a problem
45
Which of these files is most likely to take the longest time to download from the Internet?
Video file
Photograph
Music file
46
How often do we decompose problems?
Occasionally, but we don't really need to
We never decompose them, computers do this for us
On a daily basis, often without thinking about it
47
What is a model?
A model is a spreadsheet
A model is a representation of a problem
A model is a computer program
48
When is a computer most likely to be used when using computational thinking?
During decomposition
When writing algorithms
At the end, when programming a computer
49
Which of the following is
NOT
a computational thinking technique?
Coding
Pattern recognition
Decomposition
50
Which of the following is a general characteristic?
Some boats have sails
This boat is blue
This boat has an engine
51
What is a complex problem?
A problem that, at first, is not easy to solve/understand
A problem that, at first, is not easy to understand
A problem that, at first, is not easy to solve
52
Which of the following is
NOT
a general characteristic?
This dog has a brown coat
Dogs run quickly
Dogs have a nose
53
Which of the following is an example of thinking computationally?
Planning out your route when going to meet a friend
When meeting a friend, wandering around until you find them
A parent planning a route for you to meet your friend
