Free Printable DC2 Year 7 Computing Assessment

1.

How many bits are in the binary number?

1011

(a)

2.

How many bits are in the following binary number?

111111

(a)

3.

How many bits are in the following binary number?

10101010

(a)

4.

How many bits are in a byte?

(a)

5.

Match the following

a)

Base 10

1.

Denary

b)

Base 2

2.

Binary

c)

Base 16

3.

Hexadecimal

6.

Convert 15 to binary

a)

1111

b)

1110

c)

1101

d)

1100

7.

Convert 14 to binary

a)

1111

b)

1110

c)

1101

d)

1100

8.

Convert 13 to binary

a)

1111

b)

1110

c)

1101

d)

1100

9.

Convert 12 to binary

a)

1111

b)

1110

c)

1101

d)

1100

10.

Convert 11 to binary

a)

1011

b)

1010

c)

1001

d)

1000

11.

Convert 10 to binary

a)

1011

b)

1010

c)

1001

d)

1000

12.

Convert 9 to binary

a)

1011

b)

1010

c)

1001

d)

1000

13.

Convert 8 to binary

a)

1011

b)

1010

c)

1001

d)

1000

14.

Convert 7 to binary

a)

0111

b)

0110

c)

0101

d)

0100

15.

Convert 6 to binary

a)

0111

b)

0110

c)

0101

d)

0100

16.

Convert 5 to binary

a)

0111

b)

0110

c)

0101

d)

0100

17.

Convert 4 to binary

a)

0111

b)

0110

c)

0101

d)

0100

18.

Convert 3 to binary

a)

0011

b)

0010

c)

0001

d)

0000

19.

Convert 2 to binary

a)

0011

b)

0010

c)

0001

d)

0000

20.

Convert 1 to binary

a)

0011

b)

0010

c)

0001

d)

0000

21.

Convert 0 to binary

a)

0011

b)

0010

c)

0001

d)

0000

22.

Convert 1111 to decimal

a)

15

b)

13

c)

11

d)

9

23.

Convert 1110 to decimal

a)

14

b)

12

c)

10

d)

8

24.

Convert 1101 to decimal

a)

13

b)

15

c)

11

d)

9

25.

Convert 1100 to decimal

a)

12

b)

14

c)

10

d)

8

26.

Convert 1011 to decimal

a)

11

b)

15

c)

13

d)

9

27.

Convert 1010 to decimal

a)

10

b)

14

c)

12

d)

8

28.

Convert 1001 to decimal

a)

9

b)

7

c)

13

d)

11

29.

Convert 1000 to decimal

a)

8

b)

6

c)

12

d)

10

30.

Convert 0111 to decimal

a)

7

b)

3

c)

5

d)

9

31.

Convert 0110 to decimal

a)

6

b)

4

c)

2

d)

8

32.

Convert 0101 to decimal

a)

5

b)

3

c)

7

d)

9

33.

Convert 0100 to decimal

a)

4

b)

6

c)

2

d)

8

34.

Convert 0011 to decimal

a)

3

b)

1

c)

5

d)

7

35.

Convert 0010 to decimal

a)

2

b)

4

c)

6

d)

0

36.

Convert 0001 to decimal

a)

1

b)

3

c)

5

d)

7

37.

Convert 0000 to decimal

a)

0

b)

2

c)

4

d)

6

38.

Add together the two binary numbers

1010

1010

(a)

39.

Add together the 2 binary numbers

0011

1111

(a)

40.

Add together the 2 binary numbers

0011

0011

(a)

41.

Binary is base 2 and Denary is base 10. What base system is Hexadecimal?

a)

8

b)

12

c)

14

d)

16

42.

What is 0010 in Hexadecimal?

a)

2

b)

3

c)

4

d)

5

43.

What is 0001 in Hexadecimal?

a)

7

b)

4

c)

1

d)

2

44.

What is 0100 in Hexadecimal?

a)

8

b)

4

c)

2

d)

1

45.

What is 0111 in Hexadecimal?

a)

7

b)

F

c)

6

d)

D

46.

What is 1010 in Hexadecimal?

a)

9

b)

A

c)

C

d)

D

47.

What is 1111 in Hexadecimal?

a)

4

b)

A

c)

E

d)

F

48.

What is 0000 in Hexadecimal?

a)

9

b)

4

c)

0

d)

D

49.

What is 1100 in Hexadecimal?

a)

C

b)

D

c)

E

d)

F

50.

What is 1110 in Hexadecimal?

a)

C

b)

D

c)

E

d)

F

51.

What is an algorithm?

a)

A set of instructions to perform a task

b)

Computer programming

c)

A computer game

d)

Tasks that a computer does

52.

What are the two methods that can be used to create Algorithms?

(a) (b)

Choose from the below words

Flowcharts

Pseudocode

Mind maps

Cookbooks

Text messages

Scratch

Database

Programming

53.

Match the following flow chart shapes

a)

1.

Decision

b)

2.

Process

c)

3.

Flow

d)

4.

Input/Output

e)

5.

Start/Stop

54.

A flowchart can have only one beginning.

a)

True

b)

False

55.

Observe the given image and answer the following.

The _________ symbol is used for checking conditions.

a)

start

b)

Input

c)

Processing

d)

Decision

56.

What's missing from this part of a flowchart?

a)

An Arrow

b)

A Line

c)

A Square

d)

A Diamond

57.

What is the Output if the user enters:
Yes

a)

Leave umbrella at home

b)

Take an umbrella

58.

What will happen if the user's book return is late?

a)

Sends them an SMS (text)

b)

Does not send them an SMS (text)

59.

How many arrows come out of the end symbol in the flowchart?

a)

0

b)

1

c)

2

d)

3

60.

This flowchart is made to ...

a)

Check whether a number is odd or even

b)

Decide if we like a number or not

c)

Calculate the remainder of a number + 2

d)

Help people with Maths

61.

In this flowchart the diamond shape helps with...

a)

Deciding whether the student should pass or fail

b)

Adding up the student's marks

c)

Making sure the student gets good marks

d)

Checking the student's general behaviour

62.

Choose 2 that a sensor might be used to measure

a)

Computer Storage

b)

Temperature

c)

Time

d)

Movement

63.

What is a subroutine? Give an example in Flowol when you used one.

4 lines

DC2 Year 7 Computing Assessment

Total questions: 63

Worksheet time: 16hrs 45mins

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