what is the maximum value an 8 bit binary number can have?

Data Representation GCSE Computer Science Revision

Quiz
•
Computers
•
8th Grade
•
Medium
Janet Ryalls
Used 352+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
8
255
128
256
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which number could be a Hexadecimal number?
FG
AD
IP
CT
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
what is the denery (decimal) value of the binary number
0101
101
16
5
9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
convert 12 to a binary number nd you get....
01100
01010
11000
10101
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
which file extension could be a picture
.mp3
.jpg
.xls
.doc
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a picture is 100 pixels by 10 pixels and uses 3 bits per pixel for colours how many colours can it have
3000
8
1000
3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a picture is 100 pixels by 10 pixels and uses 3 bits per pixel for colours, what is the file size in bits
3000
300
1000
8000
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