Computer Science Paper 2 quiz

Question 1

Two variables can have the same name

Accepted Answer

False

Question 2

The 'terminator' symbol is used in flowcharts to...

Accepted Answer

Represent the beginning or end of an algorithm

Question 3

Pseudocode is...

Accepted Answer

Notation used to design programs in simple english

Question 4

A linear search is to be performed on this list. How many comparisons would it take to find the number 1?

Accepted Answer

4

Question 5

For, While and Do are three types of iteration used in programming

Accepted Answer

True

Question 6

Flowcharts are used to...

Accepted Answer

map the flow of progress in a system

Question 7

Flowcharts

Accepted Answer

Written using symbols, Decisions rather than linear

Question 8

In flowcharts, what does this shape represent?

Accepted Answer

Decision

Question 9

What is Abstraction in computational thinking?

Accepted Answer

This is a way to figure out the important information ONLY

Question 10

Using computational thinking techniques solve the following question.

Accepted Answer

a

Question 11

Which one of these industries require Computer Science?

Accepted Answer

Aeronautical Engineering, Web designer

Question 12

Which of the following is NOT a computational thinking technique?

Accepted Answer

Coding

Question 13

What are the elements of computational thinking?

Accepted Answer

Abstraction, Decomposition, Pattern Recognition, Algorithms

Question 14

Which one of these is NOT a method for producing robust programs?

Accepted Answer

Keeping passwords safe

Question 15

A collection of variables, stored in a single container.

Accepted Answer

Array

Question 16

What is an example of computational thinking?

Accepted Answer

Write a recipe for others to use., Write a computer program to sort data

Question 17

What are the names of the variables?

Accepted Answer

count and count2

Question 18

flowcharts have to go in a sequence

Accepted Answer

true

Question 19

Why do we use flowcharts

Accepted Answer

To plan a program before coding

Question 20

In flowcharts, what does a rectangle represent?

Accepted Answer

Process

Question 21

In flowcharts, what does this shape represent?

Accepted Answer

Input/Output

Question 22

Pseudocode

Accepted Answer

Linear, rather than processes with many decisions, Written in simple text

Question 23

Which of the following is NOT an example of computational thinking?

Accepted Answer

Accidentally completing a video game level

Question 24

Pseudocode starts with "START".

Accepted Answer

False

Question 25

Computational thinking

Accepted Answer

A problem solving method

Question 26

Which of the following should be shown in capitals when writing pseudocode ?

Accepted Answer

INPUT, OUTPUT, WHILE, FOR

Question 27

Conditional flowcharts contain decision-points.

Accepted Answer

TRUE

Question 28

9, 5, 4, 15, 3, 8, 11, 2 in this bubble sort the first two numbers are not swapped

Accepted Answer

False

Question 29

Flowcharts use symbols.

Accepted Answer

True

Question 30

Algorithms and flowcharts are only used in Computer science.

Accepted Answer

false

Question 31

Do indents matter in Pseudocode?

Accepted Answer

Yes

Question 32

Which of these is not part of defensive design?

Accepted Answer

Encrypting code

Question 33

Variables can store any type of ________.

Accepted Answer

Values

Question 34

What is the following pseudocode an example of?

Accepted Answer

Count controlled loop

Question 35

The formal Computer Science name for a float in Python is...

Accepted Answer

A Real number

Question 36

Why do programs need to be maintainable?

Accepted Answer

To ensure that other programmers also understands them

Question 37

In flowcharts, what does this symbol represent?

Accepted Answer

Terminator

Question 38

What is Iteration in Pseudocode?

Accepted Answer

A piece of code that loops around until the condition is met

Question 39

In pseudocode how is a decision represented?

Accepted Answer

IF THEN ELSE

Question 40

What are the advantages of arrays?

Accepted Answer

All of the Above

Question 41

Flowcharts need arrows to connect?

Accepted Answer

True

Question 42

What are variables?

Accepted Answer

A place to store data

Question 43

What is an array to the computer?

Accepted Answer

A pointer to a memory space.

Question 44

True or False: Flow charts are an example of pseudocode.

Accepted Answer

True

Question 45

What do flowcharts show?

Accepted Answer

The order of a process including decisions and input/output

Question 46

Arrays are used to:

Accepted Answer

store multiple items of the same data type.

Question 47

Select which of the following are common data types

Accepted Answer

Real/float, Array, Integar

Question 48

Why do we use pseudocode?

Accepted Answer

Because we want to help write a program more easily, Because we want to create a general plan for the program

Question 49

All flowcharts start and end with the same box

Accepted Answer

true

Question 50

In flowcharts, what do arrows do?

Accepted Answer

Show the flow of data

Question 51

What is faster, the human brain or a computer?

Accepted Answer

Computer

Computer Science Paper 2 quiz

Questions 51

Computer Science Paper 2 quiz

Questions 51