REVISION WORKSHEET – MID TERM EXAMINATION (2025-2026)
SUBJECT: COMPUTER SCIENCE
NAME: ____________________ CLASS: V SECTION: _______ ROLL NO.: ___________
TOPICS: COMPUTER NETWORKS, INTERNET AND ITS SERVICES
I. Fill in the blanks:
- The main function of application software is to ____________________________.
- ________________________ is a wireless technology used to exchange data over short distances.
- Internet service providers use ___________________________ to connect different countries.
II. Tick (✓) the correct option:
- Which of the following software helps to manage files and programs?
a. Microsoft Word
b. Operating System
c. WhatsApp
d. YouTube - Which of the following devices helps in connecting to the internet?
a. Router
b. Printer
c. Scanner
d. Keyboard - Which of the following is a social media platform?
a. Zoom
b. Instagram
c. Avast Antivirus
d. Calculator
III. Match the following:
| COLUMN A | COLUMN B | SOLUTION |
|---|---|---|
| 1. LAN | a. Connects multiple computers in a small area | 1.______ |
| 2. MAN | b. Connects networks in a city or town | 2.______ |
| 3. Internet | c. A global network of networks | 3.______ |
| 4. ISP | d. Provides internet access to homes and offices | 4.______ |
IV. Answer the following questions:
- Differentiate between LAN and WAN.
ANS: _________________________________________________________________________
- Draw a diagram showing how data travels from one computer to another on the internet.
ANS: _________________________________________________________________________
Answer Key
I. Fill in the blanks:
- The main function of application software is to perform specific tasks for the user.
- Bluetooth is a wireless technology used to exchange data over short distances.
- Internet service providers use undersea cables / satellites to connect different countries.
II. Tick (✓) the correct option:
- b. Operating System
- a. Router
- b. Instagram
III. Match the following:
| COLUMN A | COLUMN B | SOLUTION |
|---|---|---|
| 1. LAN | a. Connects multiple computers in a small area | 1. a |
| 2. MAN | b. Connects networks in a city or town | 2. b |
| 3. Internet | c. A global network of networks | 3. c |
| 4. ISP | d. Provides internet access to homes and offices | 4. d |
IV. Answer the following questions:
- Differentiate between LAN and WAN:
| Feature | LAN (Local Area Network) | WAN (Wide Area Network) |
|---|---|---|
| Area Covered | Small area (like a home, office, or school) | Large area (cities, countries, or continents) |
| Speed | Usually faster | Usually slower |
| Cost | Low | High |
| Example | School network | Internet |
- Diagram showing how data travels on the internet:
A simple acceptable answer:
Computer A → Router → ISP → Undersea cable / Satellite → ISP → Router → Computer B
Students can also draw a flowchart with arrows showing source computer → local network → internet → destination network → destination computer.
