Worksheets2. Number Systems and Conversions Quiz
Total questions: 11
Worksheet time: 6mins
Which digits are used in the octal number system?
A-F
0-5
0-7
0-9
What is the decimal representation of the binary number 11000000111001?
12345
3039
240
360
How many digits are there in the hexadecimal number system?
16
12
10
8
Which of the following is NOT a number system supported by computer architecture?
Trinary
Decimal
Octal
Binary
What is the hexadecimal equivalent of the decimal number 725?
30071
F0
3039
2D5
What is the first step in converting a decimal number to binary?
Subtract from 1
Add the remainders
Divide by the base
Multiply by 2
In binary to octal conversion, how are binary digits grouped?
Sets of three
Sets of four
Sets of five
Sets of two
What is the 1's complement of the binary number 1010?
1111
0101
0000
1010
Which operation is used for binary multiplication?
Division
Addition
Subtraction
Logical AND
What is the result of the binary addition 00011010 + 00001100?
00111100
00011110
00010110
00100110
What is the purpose of a web server?
To store databases
To serve web pages
To create HTML documents
To manage user accounts
