Worksheetschapter-2 quiz grade-8
Total questions: 20
Worksheet time: 6mins
1. ____________ is used to enter information from hard copy into a computer.
printer
scanner
2.The flat bed scanner is made up of a _________ and ________
plastic,copper
glass panel.lid
3.The ____________ document or photo is scanned by a light source and produces a computer-readable image.
soft copy
hard copy
4.____________ have largely replaced traditional film-based cameras.
digital camera
mouse
5.ADC stands for ______________________
digital to analog convertor
analogue to digital convertor
A ___________is a device that inputs data to a computer; the data is a measurement of some physical quantity that is continuously changing.
sensor
computer
___________ in automatic washing machines, central heating systems, automatic glasshouses, ovens
sound sensor
temperature sensor
PDA stands for ___________________
personal digit assistant
printer digit assistant
A ________________ is used with a stylus to produce freehand drawings. The linages produced can then be stored in a file on a computer.
tablet
mobile phone
graphics tablet
____________________________ can be connected directly to a computer.
microphone
mouse
DDE stands for _________________
direct data entry
data data entry
______________ readers are similar to smart card readers but are used at EFTPOS terminals.
contactless reader
chip and PIN
__________________ readers use radio waves to read and capture information stored on a tag.
random frequency identification
Radio frequency identification
_______________is the name given to software that takes scanned text and converts it into a computer-readable form.
optical computer recognition
optical character recognition
_______________ are used to read information in the form of a barcode.
barcode reader
barcode printer
CRT stands for ________________
cathode ray tube
computer ray tube
Set the page size is present in which tab___________
design tab
layout tab
Landscape and portrait comes under which section___________
orientation
home
Top of the page is known as ___________
header
footer
bottom of the page ____________
footer
header
