The Basics of Information Technology Class 11 Exercise Solutions are designed to help HSC students understand textbook questions clearly and prepare effectively for examinations. These solutions are prepared strictly according to the Maharashtra State Board (HSC) syllabus, covering all exercise questions in a simple, step-by-step manner.
Basics of Information Technology Class 11 Exercise Solutions
Q.1 Complete the following activity
1)
Answer: Disk Operating System
2) Tick the appropriate box
Internet is a ……………… network connecting millions of computer.
Answer: Global
3)
Answer: Universal Serial Bus
4) Tick the appropriate box.
Answer: Print the name of the current user
5)
Answer: Metropolitan area network
Q.2 Divide the following list of devices into appropriate categories.
(Monitor, Barcode reader, Printer, Keyboard, Optical character reader, Speaker)
Answer:
| Categories | Names |
|---|---|
| Input Devices | Barcode reader, Keyboard, Optical character reader |
| Output Devices | Monitor, Printer, Speaker |
Q.3 Multiple choice two correct answers.
1) The primary memory consists of ……………… and ………………
a) Pendrive
b) Hard Disk
c) RAM
d) Scanner
e) ROM
Answer: RAM and ROM
2) The network architectures which are widely used are ………………
a) Server
b) Client
c) Peer to peer
d) Client-server
e) Internet
Answer: Client-server
Q.4 Match the following.
| (1) IS | (a) change directory |
| (2) FTP | (b) Translates Network Address |
| (3) CD | (c) List of Directory |
| (4) DNS | (d) To transfer file on interent |
Answer:
| (1) IS | (c) List of Directory |
| (2) FTP | (d) To transfer file on interent |
| (3) CD | (a) change directory |
| (4) DNS | (b) Translates Network Address |
Q.5 Name the following and complete the diagram.
Answer: Android, iOS, Windows Mobile and BlackBerry OS
Q.6. Complete the following with Linux commands with their use.
Answer:
- pwd -> Prints current working directory
- ls -> Lists files and folders in the directory
Q.7 Complete the list of following protocols.
Answer:
- TCP (Transmission Control Protocol) – Ensures reliable data delivery.
- UDP (User Datagram Protocol) – Sends data quickly without checking delivery.
- HTTP (HyperText Transfer Protocol) – Used for web browsing.
- HTTPS (Secure HTTP) – Secure version of HTTP with encryption.
- FTP (File Transfer Protocol) – Transfers files over the internet.
- DNS (Domain Name System) – Converts website names to IP addresses.
Q.8 Complete the following Long form.
Answer:
- LAN: Local Area Network
- GUI: Graphical User Interface
- OSS: Open Source Software
Q.9 Identify the following activity.
You are typing a letter using a computer and suddenly there is a power failure. Which type of Memory does this activity deal ?
Answer: Volatile Memory (RAM), If there is a power failure, everything in RAM is lost.
Q.10 Answer the following
1) What is Data and Information? Give examples of data and information.
Answer:
- Data: Raw facts and figures (e.g., numbers, names, dates).
- Information: Processed data that has meaning and can be used (e.g., marks of students arranged in a result sheet).
2) Explain functional units of a computer system.
Answer:
- Boots the Computer: Starts up the system and ensures everything is operational.
- Hardware–Software Bridge: Enables communication between hardware (CPU, memory, devices) and software (apps, programs).
- Resource Management: Controls memory, processes, and input/output devices.
- User Interface: Provides a way for users to interact with the system (e.g., desktop, icons, touch screen).
3) What is a storage unit ? Explain types of primary memory storage.
Answer: Storage unit is a part of computer which stores data and instruction. There are two type of storage unit primary memory and secondary memory. The type of primary memory is RAM (Random Access Memory) and ROM (Read Only Memory).
4) Explain how Linux is different from Windows.
Answer:
- Linux: Open‑source, free, highly customizable, more secure, used widely in servers.
- Windows: Proprietary (paid), user‑friendly interface, widely used in personal computers.
5) Write down the difference between LAN, MAN and WAN.
Answer: The difference between LAN, MAN and WAN.
- Local Area Network (LAN): LAN covers a smaller geographical area (size is limited to a few kilometres) and are privately owned.
- Metropolitan Area Network (MAN): A MAN is a larger area than that of a LAN and a smaller area as compared to WAN. It covers a large geographical area and may serve as an ISP (Internet Service Provider).
- Wide Area Network (WAN): Wide Area Network is a computer network that extends over a large geographical area. A communication medium used for WAN is a telephone network or satellite link.
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