WorksheetsICT: Input and Output device
Total questions: 30
Worksheet time: 30mins
Name
Class
Date
1.
What is an output device?
a)
A device that translates human actions into data
b)
A device that receives data from the computer and presents results
c)
A device that stores programs
d)
A device that generates raw data
2.
Which of the following is primarily a visual output device?
a)
Mouse
b)
Monitor
c)
Microphone
d)
Barcode reader
3.
CRT monitors are described as:
a)
Lightweight and portable
b)
Heavy and bulky
c)
Based on LED backlights
d)
Easily damaged by pressure
4.
Which monitor improves viewing from different angles?
a)
CRT
b)
IPS
c)
Dot-matrix display
d)
OLED only
5.
LED monitors are preferred because they:
a)
Require no electrical power
b)
Produce less heat and consume low power
c)
Are cheaper than all other screens
d)
Can only work as input devices
6.
A touch screen is considered:
a)
Only an output device
b)
Only an input device
c)
Both input and output device
d)
Neither input nor output
7.
Which is an advantage of touch screens?
a)
Requires keyboard for interaction
b)
Takes up more space
c)
No pointing device needed
d)
Always provides better image quality
8.
Multimedia projectors are used because:
a)
They only work for one viewer
b)
The image cannot be enlarged
c)
They allow presentation to large audiences
d)
They do not need bulbs
9.
A disadvantage of multimedia projectors:
a)
Cannot connect to computers
b)
Low energy bulbs
c)
Require expertise to set up
d)
Can only display still images
10.
Which device allows personal audio output without disturbing others?
a)
Speaker
b)
Earphones
c)
Headphones
d)
Microphone
11.
Actuators are used to:
a)
Display graphics
b)
Produce mechanical movement
c)
Record user actions
d)
Store power
12.
An electric motor is an example of:
a)
Projector
b)
Printer
c)
Actuator
d)
Scanner
13.
What do printers produce?
a)
Output onto screens only
b)
Digital copies only
c)
Hard copies such as documents and images
d)
Audio signals
14.
Laser printers are chosen mainly for:
a)
Low purchase cost
b)
High-speed and high-quality prints
c)
Waterproof ink output
d)
Precision in colour reproduction
15.
A disadvantage of laser printers:
a)
They cannot print text
b)
They only print in black
c)
Toner chemicals are hazardous
d)
They cannot be networked
16.
Inkjet printers are known for:
a)
Very high running cost and poor quality
b)
Using cartridges that are inexpensive
c)
Producing high-quality colour images
d)
Printing only in monochrome
17.
A disadvantage of inkjet printers:
a)
They are too durable
b)
Ink can run because it is water-soluble
c)
They cannot print photos
d)
They are always faster than lasers
18.
Dot-matrix printers print by:
a)
Using lasers on drums
b)
Squirting ink through nozzles
c)
Pin impact on an inked ribbon
d)
Heating wax onto paper
19.
Dot-matrix printers are useful in:
a)
Quiet office environments
b)
Dusty industrial settings
c)
Only photo studios
d)
When silent printing is required
20.
Major drawback of dot-matrix printers:
a)
Very high-resolution printing
b)
Limited colour and noisy operation
c)
They cannot print continuous paper
d)
Fragile in harsh environments
21.
3D printers are typically used for:
a)
Creating large posters
b)
Printing on continuous paper only
c)
Making physical prototypes
d)
Printing invoices quickly
22.
A disadvantage of 3D printers:
a)
Low energy consumption
b)
Very easy to operate
c)
Expensive and require skill to use
d)
Very slow to produce standard documents
23.
Plotters are mainly used for:
a)
Audio enhancement
b)
High-volume fast text printing
c)
Large technical drawings
d)
Animating 3D graphics
24.
Which device uses pens for printing?
a)
Inkjet printer
b)
Laser printer
c)
Dot-matrix printer
d)
Plotter
25.
A disadvantage of plotters:
a)
Cannot connect to computers
b)
Limited drawing size
c)
Require a lot of physical space
d)
Only produce low-quality output
26.
Which device both displays and allows interaction with software?
a)
Projector
b)
Headphones
c)
Touch screen
d)
Printer
27.
Which output device uses an expensive bulb?
a)
3D printer
b)
Multimedia projector
c)
TFT monitor
d)
Speaker system
28.
Headphones are preferred instead of speakers when:
a)
Sound must be broadcast widely
b)
Privacy is important
c)
No audio output is needed
d)
Volume must be very loud
29.
Main purpose of an output device in automation:
a)
To collect mechanical data
b)
To operate machinery via actuator control
c)
To store programs
d)
To convert electricity into sound
30.
Condition least suited for a dot-matrix printer:
a)
Noisy manufacturing floor
b)
Need for carbon-copy forms
c)
Quiet retail stores
d)
Dusty environments
100 %
