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WorksheetsBinary - Assessment Test - 1- Year 8
Total questions: 16
Worksheet time: 15mins
What does the word 'bit' mean in Computing? [Two options are correct]
Very small piece
Binary digit
0 or 1
A sequence of 0s and 1s
Which of the following would you characterise as 'binary'? (Two answers are correct)
A switch
An oven knob
A dice
A coin
Which of the following is a byte?
8
bit bit bit bit bit bit bit bit
01100101
1
How many different sequences of 3 binary digits can there be? For example: with 2 binary digits we can have 22 = 4 different sequences.
3
6
8
9
What is the size or length of this sequence of binary digits: 101?
2 bits
3 bits
5
101
4 bits can hold decimal numbers between:
0 and 7
0 and 15
0 and 63
0 and 31
Here is a sequence of binary digits: 011000101110010100110100010001110101001110001010101 What could this sequence represent? What could it mean?
A piece of text
A number
A set of instructions
Musical notes
All of the above
Which of the following binary numbers is equivalent to decimal 4? For example: use table :
8 4 2 1
decimal number 2 in binary is= 0 0 1 0
10
0100
1010
1111
Which of the following binary numbers is equivalent to decimal 9? (There are two correct answers)
101
1001
1010
001001
Which of the following binary numbers is equivalent to decimal 27?
11001
10111
11011
11111
Which of the following decimal numbers is equivalent to binary 110?
2
6
30
110
Which of the following decimal numbers is equivalent to binary 11100?
14
28
70
320
Which prefix would you use to describe a quantity that is in the billions?
Kilo-
Mega-
Giga-
Tera-
What does the prefix 'mega-' stand for?
Thousand
Million
Billion
Trillion
Select the sizes that is equivalent to 1 byte: (You can select more than one option.)
1 bit
4 bits
8 bits
2 nibles
Can you name one well-known code scheme used in digital devices that represents every character as a sequence of 7 binary digits? For example: A is 1000001 in which coding scheme?
Morse code
Semaphore
Unicode
ASCII code
