AP1- Year- 7
Revision Worksheet – Computing Concepts (With Answers)
Note: The actual exam paper will have fewer questions, but this sheet is designed to help you
revise thoroughly and practice more.
Part 1: Fill in the Blanks (10 marks)
1. A __________ directs network traffic to the correct destination.
Answer: Router
2. A __________ connects devices over short distances, like Bluetooth headphones.
Answer: PAN (Personal Area Network)
3. The __________ provides resources and services such as files, websites, or printers.
Answer: Server
4. A __________ is used to increase the coverage area of a Wi-Fi network.
Answer: Wireless Access Point
5. The __________ shows how devices are arranged and connected in a network.
Answer: Topology
6. __________ is the unique identifier for devices connected to the Internet.
Answer: IP address
7. A __________ translates domain names into IP addresses.
Answer: DNS (Domain Name System)
8. __________ is the most common protocol used to access web pages.
Answer: HTTP
9. The secure version of HTTP is called __________.
Answer: HTTPS
10. A __________ allows many computers in a school to share one Internet connection.
Answer: Switch
Part 2: Multiple Choice Questions (10 marks – Real-Life
Scenarios)
1. You connect your phone and smartwatch together using Bluetooth. What type of network
is this?
a) LAN
b) PAN
c) WAN
Answer: b) PAN
2. A school network allows all teachers to save lesson files on one computer and share
them. Which device is central here?
a) Client
b) Server
c) Switch
Answer: b) Server
3. A hospital connects all its branches within the same city. Which network type is this?
a) LAN
b) WAN
c) MAN
Answer: c) MAN
4. Your home Wi-Fi connects your TV, mobile, and laptop. Which network is this?
a) LAN
b) PAN
c) WAN
Answer: a) LAN
5. A company with offices in different countries shares resources on one system. Which
type of network is this?
a) WAN
b) MAN
c) LAN
Answer: a) WAN
6. Which protocol is mainly used for sending and receiving emails?
a) HTTP
b) SMTP
c) FTP
Answer: b) SMTP
7. Which of the following is NOT a search engine?
a) Chrome
b) Bing
c) Google
Answer: a) Chrome
8. Which device is used to boost the strength of a network signal?
a) Switch
b) Repeater
c) Server
Answer: b) Repeater
9. In networking, DNS is responsible for:
a) Storing emails
b) Translating domain names into IP addresses
c) Providing cloud services
Answer: b) Translating domain names into IP addresses
10. Which of these is a valid IP address?
a) 192.168.1.10
b) www.school.com
c) google.com
Answer: a) 192.168.1.10
Part 3: Short Answer Questions (10 × 2 = 20 marks)
1. What is the role of a router in networking?
Answer: A router directs data between different networks and connects a local network
to the Internet.
2. How does a switch manage communication between devices?
Answer: A switch receives data and forwards it only to the correct device instead of all
devices, reducing network traffic.
3. Difference between LAN and WAN.
Answer: A LAN covers a small area (like a school or home), while a WAN covers large
areas across countries and cities.
4. What does URL stand for? Give an example.
Answer: URL = Uniform Resource Locator. Example: https://www.bbc.com/news
5. Two benefits of a school network.
Answer: (i) Resource sharing (printers, files). (ii) Easy communication among teachers
and students.
6. What does IP stand for and why is it important?
Answer: IP = Internet Protocol. It assigns a unique address to devices so they can send
and receive information.
7. What is a protocol? Give one example.
Answer: A protocol is a set of rules for communication between devices. Example:
HTTP.
8. Give two advantages and two disadvantages of cloud computing.
Answer:
Advantages: Access anywhere, reduces storage needs.
Disadvantages: Needs Internet, risk of data breaches.
9. Difference between Internet and Intranet.
Answer: Internet is global and open to all; Intranet is private and used only within an
organization.
10. Name two search engines and two web browsers.
Answer: Search engines: Google, Bing. Browsers: Chrome, Firefox.
Part 4: Diagram Questions (5 marks)
Option A: Draw and label a Star Topology (Server in center → multiple devices connected).
Expected Answer: A central hub/switch in the middle with computers/printers connected
around it.
Option B: Break down the URL:
https://www.school.edu/library/books.html
Answer (labels):
Protocol: https
Domain: www.school.edu
Path: /library/
File: books.html
Part 5: Additional Questions (10 marks)
1. What is the function of DNS?
Answer: DNS translates human-readable website names into IP addresses.
2. List five types of network topologies.
Answer: Bus, Star, Ring, Mesh, Tree.
3. Why is HTTPS more secure than HTTP?
Answer: HTTPS encrypts data so it cannot be easily intercepted.
4. Give one real-life example of LAN, MAN, and WAN.
Answer:
LAN: School computer lab
MAN: City-wide cable network
WAN: Internet
5. Explain how a server is different from a client in networking.
Answer: A server provides services and resources, while a client requests and uses those
services.
6. What is the role of IP addressing in networks?
Answer: It uniquely identifies devices so data reaches the correct destination.
7. State two functions of a firewall.
Answer: (i) Blocks unauthorized access. (ii) Protects devices from cyber threats.
8. What is meant by "network topology"?
Answer: It is the physical or logical layout of how devices are connected in a network.
9. Why do organizations use Intranets?
Answer: To securely share information and resources within employees only.
10. What is the role of a repeater in a network?
Answer: It boosts weak signals to extend the range of a network.
