Computing Big Quiz

Identify the reason why unsigned integers should be used to record the number of people in a room

• Unsigned integers are more accurate

• Unsigned integers cannot have overflow errors

• Unsigned integers store more positive values

If U in ASCII code is 85. What is R?

Select all TRUE facts about use Encryption

• A physical door is a type of Encryption

• Encryption scrambles the message

• Encryption is used to secure sensitive data

• Encryption requires a key/cipher to decrypt

• Encryption is designed to prevent unauthorised access

1 KB = 1024 bytes.

How do you represent 1 GB

• 1024 x 1024

• 1024 x 1024 x 1024

• 1024 x 1024 x 1024 x 1024

• 1024 x 1024 x 1024 x 1024 x 1024

1 KB = 1024 bytes.

How do you represent 1 MB

• 1024 x 1024

• 1024 x 1024 x 1024

• 1024 x 1024 x 1024 x 1024

• 1024 x 1024 x 1024 x 1024 x 1024

1 KB = 1024 bytes.

How do you represent 10 TB

• 1024 x 1024

• 1024 x 1024 x 1024

• 1024 x 1024 x 1024 x 1024

• (1024 x 1024 x 1024 x 1024) x 10

• (1024 x 1024 x 1024) x 10

How is data stored in a structured database? Selected all true

• Data is stored in a table/grid

• Data is stored randomly

• Data cannot be edited

• A record for each entity uses specific attributes

• Data is organised into records and fields

Name the type of network:

Used to connect between head office in London and Client in New York

Name the type of network:

Used to connect to a server in the basement

Name the type of network:

Used to connect to your own bluetooth headset from your phone