Exercises
1. Answer the following questions.
a) Define computer software with its importance in computer systems.
Ans: The set of instructions or programs written by using a programming language to solve
a problem is called computer software. or
The program controls and operates computer hardware to
perform a task is called computer software.
b) Explain the operating system with examples.
Ans: An operating system is the system
software that manages and controls
the overall operation of the computer.
Examples of the Operating Software are Windows XP, Windows
7, Windows 8, Windows 10, Linux-based Fedora, UNIX, MS-DOS, etc.
c) What is computer memory? Write its major classification.
Ans: The physical part of the computer that can store data, instruction, and software temporarily and permanently is called computer memory.
The major types of computer Memory are:
- Primary Memory
- Secondary Memory
- Cache Memory
d) Mention the major functions of the operating system.
Ans: The major functions of the operating systems are:
- Memory Management
- Processor Management
- Device Management
- File Management
- Security
e) How does utility software maintain the computer system? Give the name of some utility software.
Ans: Utility software maintains and optimizes computer systems by performing tasks like security management, system cleanup, performance optimization, and troubleshooting.
Names of some utility software are:
- Antivirus software (Kaspersky, Nortorn Antiviru)
- Backup Software (Nova Backup Professional, Ashampoo Backup Pro)
- Encryption Tools (Versacrypt, Bitcocker)
f) Briefly explain application software with its types.
Ans: Application software is designed to fulfill the requirement of the user. A set of programs
designed to do specific tasks is called application software.
Types of application software are:
- Packaged/General Purpose Application Software
The software developed for all general users to perform
their generalized tasks is called general-purpose
application software. It cannot be modified as per
user requirements.
Examples are MS Office Package, Adobe Photoshop, Auto CAD, etc.
- Customized/Tailored Software
The software which is designed to fulfill the specific requirement of an individual or office
or organization is called customized/tailored software. It can be modified as per the user's
requirement.
g) Distinguish between system software and application software.
Ans:
h) Give the special features of packaged software.
Ans: The special features of packaged software are:
- It cannot be modified as per user requirements.
- It is expensive.
- It is easily available in the market.
i) What is the language processor? Write its types.
Ans: Language Processor is the system software that converts different programming languages into machine-level language.
Types of language processors are:
- Assembler
- Compilers
- Interpreter
j) What is open-source software? Give examples.
Ans: The software which is freely available software and source code is also freely available is called open-source software.
Examples are Linux, Mozilla Firefox, MySQL, etc.
k) Define proprietary software with examples.
Ans: The software which is not freely available is called proprietary software.
Examples are Windows 9/10, Microsoft Office, Adobe Photoshop, etc.
l) List the advantages of open-source software over proprietary software.
Ans: The advantages of open-source software over proprietary software are:
We can easily modify it according to the user's requirements.
It is freely available.
2. State 'True' or 'False'.
a) A set of program is called software. True
b) Android Marshmallow is application software. False
c) Norton Antivirus is utility software. True
d) The background area of the Windows screen is desktop. True
e) DOS is an example of a character user interface. True
f) There are three types of application software. False
g) Open-source software is freely available software with source code. True
h) Google play store is a service that provides download of different applications
or apps. True
i) The source code can be updated in open-source software. True
j) GIMP is a web browser. False
3. Match the following.
Group 'A' Group 'B'
a) i) CUI a) Marshmallow
ii) GUI b) iOS
iii) Android c) Windows 10
iv) iPhone d) DOS
e) Apple
Ans:
a) I) CUI d) DOS
b) GUI c) Windows 10
c) Android a) Marshmallow
d) iPhone e) Apple
b) i) Radio Button a) series of option displayed on box
ii) Check Box b) input or typing text
iii) List Box c) select the available option
iv) Text Box d) select only one options at a time
e) select five options at a time
Ans:
b) I) Radio Button d) select only one option at a time
ii) Check Box e) select five options at a time
iii) List Box c) select the available option
iv) Text Box b) input or typing text
c) i) Video file a) .mp3
ii) Audio file b) .pdf
iii) Picture file c) .mp4
iv) E-book d) .gif
e) .mp5
Ans:
c) I) Video file c) .mp4
ii) Audio File a) .mp3
iii) Picture file d) .gif
iv) E-book b) .pdf
4. Choose the correct answer.
a. Which is not a function of operating system?
i) Memory management ii) Entertainment
iii) File management iv) Security
b. Which is not a desktop icon on Windows 10?
i) This PC ii) Recycle Bin
iii) Picture iv) Document
c. …….. is an act of clicking left button of mouse in quick succession and
releasing it.
i) Click ii) Right Click
iii) Double Click iv) Drag and Drop
d. Which is not a picture file (Image File)?
i) .jpg ii) .gif iii) .png iv) .pdf
e. ………... allows a user to select the available options or multiple selections.
i) Command button ii) Text box
iii) List box iv) Checkbox
f. To delete file permanently use ………+delete key from keyboard.
i) space ii) alt iii) shift iv) ctrl
g. Which is not utility software?
i) Antivirus software ii) Encryption Tools
iii) Office Package iv) Backup Software
h. ……… is not proprietary software.
i) MS office package ii) Adobe Photoshop
iii) Windows8/10 iv) MySQL
