J277 Data Representation MCQs
Authored by Tom Lund
Computers
12th Grade
Used 58+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many bytes are there per ASCII character in a text file? (1-3)
0.5
1
1.5
2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which is the smallest of these data capacities? (4-6)
2KB
2049 bytes
0.5MB
3GB
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which is the largest of these data capacities? (4-6)
2048 MB
2 GB
2050 MB
100000 KB
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which formulae can be used to estimate the file size of an image? (7-9)
number of pixels * number of bytes per pixel
number of pixels
number of pixels wide * number of pixels high * number of bytes per pixel
number of pixels wide * number of bytes per pixel * number of pixels
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which formulae can be used to estimate the file size of a sound file? (7-9)
bytes per sample * channels * height + number of minutes
samples per second * number of seconds
samples per second * bytes per sample * duration
samples per second * bit depth * duration
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What numeric base does binary operate on? (1-3)
2
1
8
16
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many bits are there in a byte? (1-3)
8
16
1
2
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