Samacheer Kalvi 9th Term II 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 2 Unit 9 – Parts of Computer 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.
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Samacheer Kalvi 9th Science Book Back Unit 9 Term 2 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 – 2
Unit – 9
Parts of Computer
I. Choose the correct answer
1. Which one of the following is an output devide?
a) Mouse
b) Keyboard
c) Speaker
d) Pendrive
2. Name the cable that connects CPU to the monitor
a) Ethetnet
b) VGA
c) HDMI
d) USB
3. Which one of the following is an input device?
a) Speaker
b) Mouse
c) Monitor
d) Printer
4. Which one of the following is an example for wireless connections?
a) Wi-Fi
b) Electric wires
c) VGA
d) USB
5. Pen drive is device.
a) Output
b) Input
c) Storage
d) Connecting cable
II. Match the following:
1. VGA a) Input device
2. Bluetooth b) connecting cable
3. Printer c) LDMI
4. Keyboard d) wireless connection
5. HDMI e) output device
Ans: 1-b; 2-d; 3- e; 4-a; 5- c
III. Short Questions & Answer:
1. Name the parts of computer.
Three parts of the computer are Input unit, Central Processing Unit (CPU) and Output Unit.
2. Write out any two differences between input and output devices.
| Input device | Output device |
| The input unit helps to send the data and commands for processing. | The output unit converts the command received by the computer in the form of binary signals into easily understandable characters. |
| Keyboard, mouse, scanner, barcode, reader, microphone, mic, web camera, light pen are some of the input devices. | Monitor, printer, speaker, scanner are some of the output devices. |
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