GCSE CS: Representing Algorithms

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30 questions

Dunnmiss

•about 5 years ago

Question 1

Multiple Choice

10 points

What do we mean by COMPUTATIONAL THINKING?

A.Focusing on what is important, ignoring what is unnecessary.

B.Understanding a complex problem and developing possible solutions.

C.Thinking like a computer

Question 2

Multiple Choice

10 points

Define ABSTRACTION

A.Breaking a task into smaller tasks.

B.Creating step by step instructions.

C.Focusing on what is important and ignoring what is unnecessary.

Question 3

Multiple Choice

10 points

Define DECOMPOSITION

A.Breaking a task into smaller tasks.

B.Looking for similarities and trends.

C.Focusing on what is important and ignoring what is unnecessary.

Question 4

Multiple Choice

10 points

Define PATTERN RECOGNITION.

A.A sequence of instructions.

B.Focusing on what is important and ignoring what is unnecessary.

C.Looking for similarities and trends.

Question 5

Multiple Choice

10 points

Define ALGORITHM

A.A sequence of instructions.

B.Looking for similarities and trends.

C.Breaking a task into smaller tasks.

Question 6

Multiple Choice

10 points

What is computational thinking?

A.It is thinking like a robot

B.It is creating a coding solution to a problem.

C.It allows you to break down a large / complex problem into smaller parts.

Question 7

Multiple Choice

10 points

Picking out the important bits of information from the problem, ignoring the specific details that don't matter.

A.Decomposition

B.Abstraction

C.Algorithmic thinking

Question 8

Multiple Choice

10 points

A logical way of getting from the problem to the solution. If the steps you take to solve a problem follow an algorithm then they can be reused and adapted to solve similar problems in the future.

A.Algorithmic thinking

B.Decomposition

C.Abstraction

Question 9

Multiple Choice

10 points

Why do we need to think computationally?

A.To help us program

B.To help us program solve complex problems more easily

C.To help us think like a computer

Question 10

Multiple Choice

10 points

What is an Algorithm?

A.Something a computer does to think

B.A series of steps and instructions with given outputs to produce an input

C.A series of steps and instructions with given inputs to produce an output

Question 11

Multiple Choice

10 points

If you had multiple problems and needed to make it easier for yourself what process might you use?

A.Decomposition

B.Abstraction

C.Pattern Recognition

Question 12

Multiple Choice

10 points

Which of these is an example of decomposition?

A.Taking the problem of baking a cake and thinking about how we can make it the best cake possible.

B.Breaking the problem of organising a cake sale into smaller parts, such as who will bake the cakes and when to hold the cake sale.

C.Looking at what different kinds of cake can be made.

Question 13

Multiple Choice

10 points

Which of the following is NOT a computational thinking technique?

A.Decomposition

B.Abstraction

C.Coding

Question 14

Multiple Choice

10 points

What is used to connect the flowchart symbols together?

A.Rectangles (process box)

B.Connector

C.Parallelogram (input/output)

Question 15

Multiple Choice

10 points

Data sent from a Computer is called?

A.Input

B.Output

C.Process

Question 16

Multiple Choice

10 points

What flowchart symbol is this?

A.Input/Output

B.Process

C.Decision

Question 17

Multiple Choice

10 points

What flowchart symbol is this?

A.Decision

B.Process

C.Input/Output

Question 18

Multiple Choice

10 points

What flowchart symbol is this?

A.Process

B.Input/Output

C.Decision

Question 19

Multiple Choice

10 points

What flowchart symbol is this?

A.Decision

B.Connector

C.Start/Stop

Question 20

Multiple Choice

10 points

What is the purpose of a flowchart?

A.To plan the program before it is made

B.Because it is easier

C.To create code

Question 21

Multiple Choice

10 points

What symbol do flowcharts begin with?

A.Oval

B.Rectangle

C.Parallelogram

Question 22

Multiple Choice

10 points

What is the Output if the temperature is 19?

A.Below freezing

B.Above freezing

Question 23

Multiple Choice

10 points

What should be considered when designing an algorithm?

A.If the correct hardware is being used

B.If there is more than one way of solving the problem

C.If the correct software is being used

Question 24

Multiple Choice

10 points

What are the two main ways that algorithms can be designed?

A.Images or videos

B.Hardware and software

C.In pseudocode or as a flowchart

Question 25

Multiple Choice

10 points

What is pseudocode?

A.A specific programming language that all computers use

B.A way of describing a set of instructions in text form

C.A diagrammatic representation of a set of instructions

Question 26

Multiple Choice

10 points

What is a flowchart?

A.A flowchart is a text-based way of designing an algorithm

B.A flowchart is a specific programming language

C.A flowchart is a diagram that represents a set of instructions

Question 27

Multiple Choice

10 points

How are symbols connected together in a flowchart?

A.Symbols do not get connected together in a flowchart

B.Using rectangles

C.With lines and an arrow to show the direction of flow

Question 28

Multiple Choice

10 points

When you write an algorithm, the order of the instruction is very important.

A.True

B.False

Question 29

Multiple Choice

10 points

What's missing from this part of a flowchart?

A.A line

B.An arrow

C.A square

Question 30

Multiple Choice

10 points

What's missing ?

A.Yes/No

B.More Lines