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Y9 Autumn Assessment

Computers

9th Grade

CCSS covered

Used 31+ times

Y9 Autumn Assessment
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25 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Media Image

A Trojan Horse is an example of a computer threat. Which of the following are also computer threats?

Virus

Firewall

Worm

Encryption

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A word has been encrypted with a caesar cipher using a key of 3, the result is ELQDUB. Which word was encrypted?

HOTDOG

QUELBD

CONAS%

BINARY

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How is the number 70 represented in binary?

01010101

01000110

01000111

00001111

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What would this binary number be written as in denary?

00110011

97

33

48

51

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What would this binary number be if it was written in hexadecimal?

00111010

#3A

#3B

#2A

#2B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Complete this binary addition

11111

11011

10101

11100

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Complete this binary addition

01110

100110

101110

111111

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