Corrections

Question 1

Motherboard

Answer 1

Allows different components of the computer to communicate

Question 2

Why do we need storage devices

Answer 2

RAM and ROM provide limited memory and loses its memory once the computer is powered off

Question 3

Difference between a hub and switch

Answer 3

Hubs relay data to all connected devices whereas switches relay data to the relevant devices.

Question 4

Functions of operating systems

Answer 4

-Manages user profiles and passwords
-Handles peripheral devices
-Manages user interface
-Manages processes are given access to resources

Question 5

Protocols for transferring data for streaming a video

Answer 5

TCP

Question 6

Protocols to send email between mail servers on the Internet.

Answer 6

SMTP

Question 7

Protocols to allow a user to download email from a mail server.

Answer 7

POP3

Question 8

Protocols to transfer data to send money to an online retailer.

Answer 8

UDP

Question 9

Protocols to send an error message if a network issue occurs.

Answer 9

ICMP

Question 10

Protocols to transfer files across the Internet.

Answer 10

FTP

Question 11

Protocols to allow a web server to send web pages to users.

Answer 11

HTTP