WorksheetsYear 10 Revision Quiz
Total questions: 19
Worksheet time: 10mins
What is 18 in binary?
(a)
What is 111 in decimal
(a)
What is A in decimal
(a)
What is A in binary?
(a)
Why is hexadecimal used in computing?
It is faster
It is easier for humans to read
It takes up less space
It's amazing
Why is binary used in computing?
Computers use transistors which are either 1 or 2
Computers use transistors which are either 0 or 1
Computers use wires which are either 2 or 3
Computers use flops which are either flip or flap
An image is 300*400. How many pixels are there?
(a)
What is lossy compression?
Data is lost forever
Data is lost temporarily
Data is not lost
Data is gained
Which is true of lossless compression?
Data is lost forever
Data is lost temporarily
Data is lost for a bit
Data is not lost
What is a sound 'sample'?
A snapshot of the sound converted to digital
A snapshot of the sound converted to analogue
a byte of sound
a bit of sound
A video is 10 frames per second. It is 40 seconds long. How many frames are there?
(a)
Would 1101001 pass an even parity check?
yes
no
With even parity, what would the parity bit be to transfer 1101011
(a)
Which screen type uses the conductive property of the human body?
resistive
capacitive
infrared optical
infrared heat
Which screen type uses a thin bendy layer on top of a glass layer?
resistive
capacitive
infrared optical
infrared heat
Which screen type uses a grid of infrared beams
resistive
capacitive
infrared optical
infrared heat
Which type of printer uses toner instead of ink?
Inkjet
Laser
Which screen type uses individual LEDs for light?
LCD
LED
OLED
Which screen type uses a flourescent tube backlight?
LED
OLED
LCD
