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Algorithms and Computer Science

Total questions: 18

Worksheet time: 11mins

Name
Class
Date
1.
What is an Algorithm?
a)
A chart showing the flow of a series of events
b)
Step-by-step instructions used to solve a problem
c)
A decision arrived at by following instructions
d)
A computer program that follows a chart
2.
What algorithm do we use when we're making a cake?
a)
A set of directions
b)
A recipe
c)
A list of instructions
3.
When you write an algorithm the order of the instructions is very important.
a)
True
b)
False
4.

DEFINE: Computer Science

a)

Computer science is the study of processes that interact with data and that can be represented as data in the form of programs. It enables the use of algorithms to manipulate, store, and communicate digital information.

b)

A way of representing information using only two options.

c)

The visual programming language used in Code.org's online learning system for K-5 students.

d)

the study of the principles and use of computers.

5.

Algorithm

a)

The most common fundamental unit of digital data .

b)

Getting help from a large group of people to finish something faster.

c)

A list of steps to finish a task.

6.

Code

a)

Statements that only run under certain conditions.

b)

The language that programmers create and use to tell a computer what to do.

c)

Break a problem down into smaller pieces.

7.

SERIES OF COMMANDS

a)

PROCESSING

b)

FUNCTION

c)

STORAGE

d)

ALGORITHM

8.
A list of steps to finish a task. A set of instructions that can be performed with or without a computer. 
a)
recipe
b)
algorithm
c)
statement
d)
loop
9.

Which of these activities are examples of following an algorithm?

a)

Playing a game of chess

b)

Baking a cake

c)

Playing a piece of sheet music on the piano

d)

Following directions from Google Maps

10.

Here is a list of tasks that you do while posting a letter. Find out the missing sub-task.

(a) Write the letter.

(b) Write the address on the envelope.

(c) Post the letter.

a)
b)
c)
d)
11.

The steps of an algorithm can be followed in any order to produce the same result.

a)

True

b)

False

12.

Which of these is NOT an algorithm?

a)

Following recipe instructions

b)

Working out how an engine works

c)

Tying your shoelaces

d)

Making a cup of coffee

13.

When can an algorithm be used?

a)

Only with computers

b)

For programming

c)

To design a solution to any problem

14.

If it is AFTER 7am, what do you need to do?

a)

Take the bus

b)

Take the subway

c)

Check the time

d)

Leave home

15.

What is a sequence

a)

Putting and executing instructions in order.

b)

A pattern of numbers.

c)

Instructions which a computer follows.

d)

A line of code

16.

Which is the easiest set of instructions to follow?

a)

Draw a house.

b)

Draw a house with 4 windows, a door, chimney and a path.

c)

Draw a house with windows and a drive.

d)

Draw a square, with 4 squares inside.

17.

Why is this not a sequence?

Start car

Put in key

Turn key

Drive away

a)

There are spelling mistakes

b)

The instructions are in the correct order

c)

The instructions are in the wrong order

d)

It is a sequence

18.

Which algorithm, will NOT take you from A to B

a)

UP 1

RIGHT 5

UP 2

b)

RIGHT 1

UP 3

RIGHT 4

c)

UP 2

RIGHT 5

UP 1

d)

LEFT 1

UP 3

RIGHT 5