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Chapter 2: Input and output devices (Part 2)

Computers

10th Grade

Used 13+ times

Chapter 2: Input and output devices (Part 2)
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36 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the main function of input device named sensors:

Used to convert digital data to analogue data

Data that is inputted in this device is a measurement of some physical quantity that is continuously changing

Use to scan data such as images and pictures

is required as main software components for smart home furnitures such as air condition

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Four different types of sensors

Pressure , Light, Wind and Scanners

X-Ray, Bar Code, PH, Chemical

PH, Light, Temp and Sound

Touch Screen, Fabric, Humidity and colors

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Two Advantages of using Sensors:

-Readings are continuous

Very Cheap to use for all aspects of life

-Action (control system) or warning (monitoring system) will be initiated immediately

is easy to program and install

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

One Major disadvantage of using sensors:

Very expensive

Difficult to install

Requires use of special cable , Fiber Optics

-Faulty sensors can give false results

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

An Input device used with a stylus to produce freehand drawings

Touch Screen

Scanner

Graphics tablet

Printer

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Where input device such as Webcams are mostly used :

Online Games and taking pictures

Conversation while chatting online and Video conferencing

Using Whatsapp and Skype

Making videos for school presentation

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

One Major advantage of using Webcams:

used to play online games with others

Free software to make videos

is used as main device to talk with others through use of internet

Allow people to keep in contact without travel

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