Questions Answers

Evalution

I. Choose the correct answer

1. Which one of the following is an output device?

a. Mouse

b. Keyboard

c. Speaker

d. Pendrive

Answer: (c) Speaker

2. Name the cable that connects CPU to the Monitor

a. Ethernet

b. Power Cord

c. HDMI

d. USB

Answer: (c) HDMI

3. Which one of the following is an input device?

a. Speaker

b. Keyboard

c. Monitor

d. Printer

Answer: (b) Keyboard

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

5. Pen drive is device.

a. Output

b. Input

c. Storage

d. Connecting cable

Answer: (c) Storage

II. Match the following

1. VGA - Input device

2. Bluetooth - Connecting cable

3. Printer - LDMI

4. Keyboard – Wireless connection

5. HDMI - Output device

Answer:

1. VGA - Connecting cable

2. Bluetooth - Wireless connection

3. Printer - Output device

4. Keyboard - Input device

5. HDMI - LDMI

III. Give short answer

1. Name the parts of a computer.

(1) Input Unit

(2) Central Processing Unit (CPU)

(3) Output Unit 

2. Bring out any two differences between input and output devices.

The input unit helps to send the data and commands for processing. The output unit converts commands received by the computer in the form of binary signals into understandable characters.

Keyboard, mouse, scanner, barcode reader, mic and web camera some of the input devices. Moniter, printer, speaker and scanner are some of the output devices.

Activity

(Look at the magic of connecting cables to desktop computer with 4,3,2,1 formu-la, start from 4 proceed till 1. Now your computer is ready to use).

By connecting the various parts of a computer we can assemble a computer. For the construction activity, students have to use 4-3-2-1 formula.

A system consist of mouse, key board, monitor, CPU, power cables, and connecting cables Students has to connect the four parts of a computer in row 4, using the cables in row 3, through the power cables in row 2 to construct a system.