WorksheetsComputer Science -Ch # 5 - Output Devices
Total questions: 20
Worksheet time: 9mins
Sensor is an example of:
Input Device
Output Device
Both
Piezoelectric and Thermal Bubble are two different technologies used in:
Laser Printer
Inkjet Printer
3D Printer
LED Monitor
In an inkjet printer, printing is done:
Line by Line
Entire page at once
In Laser Printer, printing is donw:
Line by Line
Entire Page at once
Both
Ink is electrically heated, which vaporizes it and creates a tiny bubble, which bursts and hence ink is injected on to the paper. This is the basic working of:
Laser Printer
Piezoelectric Inkjet Printer
Metal 3D Printer
Thermal Bubble Inkjet Printer
Laser Printer uses (a) ink. (Form of Ink?)
(a) printer is used when large number of high quality prints are required.
3D Printer use ________________ manufactoring
Subtractive
Additive
Actuator is an _____________ device
Output
Input
The number of analog samples converted into digital samples in a second, by a DAC, is known as the (a) of that DAC
LCD stands for:
Liquid Crystal Diode
Liquid Cathode Display
Liquid Crystal Display
Liquid Cathode Diode
LCD uses ___________ to backlit whereas LED uses _____________ to backlit
LED, CCFL
CCFL, CCFL
LED, LED
CCFL, LED
Which of these is NOT an advantage of LED Screen over LCD Screen
LED Screens are thinner
LED Screen consumes less power
LED Screen has a better yellowish color
LED Screen lights up quickly
The projector in which Red, Blue and Green version of the picture to be displayed is formed first, is:
Digital L ight Projector (DLP)
LCD Projector
There are millions of micro (a) in a DLP Chip:
The number of mirrors in a DLP chip determine the quality of the projected image:
True
False
The mirrors on the DLP chip can produce (a) shades of grey
In LCD Projectors, the red, green and blue versions of the image are combined using a special:
Mirror
Prism
Lens
Light
Who is the Prime Minister of Pakistan?
Nawaz Sharif
Bilawal Bhutto
Shahbaz Sharif
Imran Khan
On what basis, Mr. Ubair will award the Class & HW Evaluation in final quarter of this session:
Turning on the Mic in Online Classes
Sleeping during Online Classes
Turning On the Camera in Online Classes
Talking to Family Members during Online Classes
