20 Apr 2022

Samacheer Kalvi 9th Science Book Back Unit 9 Term 3

Samacheer Kalvi 9th Term III Science Book Back Question and Answers – Unit 9:

Samacheer Kalvi 9th Standard New Science Book Back 1 Mark and 2 Mark Question & Answers PDF uploaded and available below. Class 9 New Syllabus 2021 to 2022 Book Back Question & Answer solutions available for both English and Tamil Medium. Class 9 Science Book Term 3 Unit 9 – Hardware and Software Answers/Solutions are provided on this page. 9th Std Science Book is of Term 1st, 2nd, 3rd, and consists of 9 Units in each Term. All 9 Units of Term 1st, 2nd, 3rd Science Book Back One, and Two Mark Solutions are given below.

Check Unit wise and  9th New Science Book Back Question and Answers Guide/Solutions PDF format for Free Download. English, Tamil, Maths, Science, and Social Science Book Back Questions and Answers available in PDF. Check Science – Physics, Chemistry, and Biology, Social Science – History, Geography, Civics, Economics below. See below for the Samacheer Kalvi 9th Science Book Back Unit 9 Term 3 PDF:

Samacheer Kalvi 9th Science Book Back Unit 9 Term 3 Solutions Guide PDF:

Science Subject 1 Mark and 2 Mark Solutions Guide PDF available below. Click the Download option to download the book back 1 Mark & 2 Mark questions and answers. Take the printout and use it for exam purposes.

Term – 3

Unit – 9

Hardware and Software

I. Choose the correct answer:

1. Find out the part that is not found in CPU?
a) Mother board
c) RAM
d) Mouse

2. Which of the following is correct?
a) Free and open source
b) Free and traditional software
c) Passive and open source
d) Passive and Traditional sourc

3. LINUX is a
a) Paid Software
b) Licensed Software
c) Free and proprietary software
d) Free and open source software

4. Find out the Paid and Proprietary software from the given list
a) Windows
c) Adobe Photoshop
d) All the above

5. Is an Operating System
a) Android
b) Chrome
c) Internet
d) Pen drive

II. Match the following:

1. MAC OS       a) Free and Open Source Software
2. Software      b) Paid and Proprietary software
3. Hardware    c) Input Device
4. Keyboard     d) RAM
5. LINUX          e) Geogebra

Ans: 1- b; 2-e; 3-d; 4-c; 5-a.

III. Short Questions & Answers:

1. What is Hardware and Software?
A hardware is a device that helps to enter input information. It includes input and output devices. Software’s are programmed and coded applications to process the input information. They process the data by converting the input information into coded or programmed language.

2. What do you mean by Operating System? How does it work?
An Operating System (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. It performs basic tasks as recognizing input from the keyboard, sending output to the display screen, keeping track of files and directories on the storage drives and controlling peripheral devices such as printers.

3. What is Free and Open Source Software? Give any two examples.
Free and Open Source software is available free of cost and can be shared by many end users.
It is editable and customizable by the user and this leads to updation or development of new software. Examples of Free and Open Source software are LINUX, Open office, Geogebra.

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