Text Book Back Questions and Answers - Chapter 26 Parts of Computer 9th Science Guide Samacheer Kalvi Solutions - SaraNextGen [2024-2025]

Updated By SaraNextGen

On April 24, 2024, 11:35 AM

I. Choose the correct answer : Chapter 26 - Parts of Computer - 9th Science Guide Samacheer Kalvi Solutions
Question $1 .$
Which one of the following is an output device?
(a) Mouse
(b) Keyboard
(c) Speaker
(d) Pendrive
Answer:
(c) Speaker

Question $2 .$
Name the cable that connects CPU to the Monitor.
(a) Ethernet
(b) VGA
(c) HDMI
(d) USB
Answer:
(b) VGA
 

Question $3 .$
Which one of the following is an input device?
(a) Speaker
(b) Mouse
(c) Monitor
(d) Printer
Answer:
(b) Mouse
 

Question $4 .$
Which one of the following is an example for wireless connections?
(a) Wi-Fi

(b) Electric wires
(c) VGA
(d) USB
Answer:
(a) Wi-Fi
 

Question $5 .$
Pen drive is ............. device.
(a) Output
(b) Input
(c) Storage
(d) Connecting cable
Answer:
(c) Storage
 

II. Match the following.
1. Bluetooth - (a) Connecting cable
2. Printer - (b) LDMI
3. Keyboard - (c) Wireless connection
4. HDMI - (d) Output device
Answer:
1. (c) Wireless connection
2. (d) Output device
3. (b) LDMI
4. (a) Connecting cable
 

III. Short answer.
Question $1 .$
Name the parts of a computer.
Answer:
Three parts of the computer are :
1. Input Unit
2. Central Processing Unit (CPU)
3. Output Unit.

Question $2 .$
Bring out any two differences between input and output devices.
Answer:

I. Short answers questions.
Question $1 .$
How are the computers classified?
Answer:
The computers can be classified based on their design, shape, speed, efficiency, working of the memory unit and their applications. The computers can be classified as follows;
1. Mainframe Computer
2. Mini Computer
3. Micro or personal computer
4. Supercomputer
 

Question $2 .$
Name two wireless connections and how it is used.
Answer:
Bluetooth, Wi-Fi are used to connect to internet without using any connecting cables.
- Bluetooth: Mouse, Keyboard can be connected to the computer using the Bluetooth. Used in sharing data with nearby devices.
- Wi-Fi: Net connectivity can be obtained using the Wi-Fi without any connecting cables. Any data from anywhere can be shared using $W i-F_{i}$.
 

Question 3 .
What is a memory unit and where is it present?
Answer:
The memory unit in the computer saves all data and information temporarily. It is present in the Central Processing Unit (CPU) which is the brain of the Computer.
 

II. Long answers questions.
Question $1 .$
Explain the types and functions of cables.
Answer:
The types of cable includes: Video Graphics Array (VGA), High Definition Multimedia Interface (HDMI), Universal Serial Bus (USB), Data cable, Power Cord, Mic cable, Ethernet cable.