
AS Level - Topic 1.1 to 1.3
Authored by Shaun Billones
Computers
10th Grade
Used 1+ times

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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is a correct match between a binary prefix and its decimal equivalent?
Kibi=1,000
Mebi=1,024
Gibi=1,073,741,824
Tebi=1,099,511,627,776
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the hexadecimal representation of the binary number 10110111?
B7
5F
D7
A9
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is the result of adding binary numbers 1101 and 1011?
11000
10000
10100
11110
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the result of subtracting 1001 from 1100 in binary?
0111
0011
0101
0011
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is a valid BCD representation of the number 97?
10010111
01100111
10010011
01101010
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is an example of a practical application where hexadecimal numbers are used?
Calculating storage file sizes
Displaying colors in HTML/CSS
Representing audio signals
Storing text in ASCII
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following character encodings uses 8-bit binary codes and can represent up to 256 characters?
ASCII
Extended ASCII
Unicode
BCD
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