Y9 Autumn Assessment

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

• Virus

• Firewall

• Worm

• Encryption

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

How is the number 70 represented in binary?

• 01010101

• 01000110

• 01000111

• 00001111

What would this binary number be written as in denary?

00110011

• 97

• 33

• 48

• 51

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

00111010

• #3A

• #3B

• #2A

• #2B

Complete this binary addition

• 11111

• 11011

• 10101

• 11100

Complete this binary addition

• 01110

• 100110

• 101110

• 111111

What kind of gate is this?

• AND
• NOT
• OR
• XOR

What kind of gate is this?

• AND
• NAND
• OR
• XAND

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What kind of gate is this?

• OR
• XOR
• NOR
• AND