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WorksheetsG7_ICT_1.1_Digital Data
Total questions: 10
Worksheet time: 20mins
Choose the two digits used in the binary number system.
0 & 1
0 & 2
1 & 2
None of the above
Choose the extra digits used in the decimal system that are not used in binary.
4,5,6,7,8 and 9.
6,7,8 and 9.
8 and 9.
2,3,4,5,6,7,8 and 9.
What is digital data?
Data that is stored using machine.
Data that is stored using pictures.
Data that is stored using alphabet.
Data that is stored using digits (as numbers).
choose things a computer stores as binary code.
text
numbers
instructions
images
sounds
Early people stored data about important events by :
painting images on caves walls
carving images and hieroglyphics into stone
using hard discs
using flash memory
The 1s and 0s inside the computer can be used to store:
yes and no
true and false
numbers
instructions
text and images
The brain of a computer
microprocessors
switch
port
CD
Switch can either be.....................
on or off
one or tow
white or black
non of the above
True or False
A microprocessor is called a digital device
True
False
Made up of millions of tiny electronic switches
HDD
SSD
memory
microprocessor
