NEW
Font size
WorksheetsiGCSE Computer Science: ASCII and Unicode
Total questions: 10
Worksheet time: 6mins
ASCII is an encoding system for text. What does ASCII stand for?
American Standard Code for Information Interchange
All System Code In Internet
American Simple Code for Interesting Information
Alpha Super Code Input Information
How many bits was used to encode the original ASCII character set?
7
8
16
4
What type of data is stored in the first 32 ASCII codes?
Control codes
Letters A-Z
Numbers
Punctuation symbols
The Extended ASCII system uses 8 bits per character instead of 7 bits. How many different characters can be represented in 8 bits?
1024
8
128
256
If 01000001 (65) is the ASCII code for the letter 'A' what is the binary code for 'E'?
01000011
01000101
01000110
01000111
If 065 is the ASCII code for 'A' and 097 is 'a', what text is encoded by: 085 110 105 099 111 100 101 032 097 110 100 032 065 083 067 073 073
Compute the codes
Unicode and ASCII
ASCII is for text
Computing is cool
If 097 is the ASCII code for lower case 'a', which is the correct encoding of the text "The quick brown fox"
084 104 101 032 113 117 105 099 107 032 098 114 111 119 110 032 102 111 120
067 117 114 105 111 117 115 032 103 114 101 101 110 032 105 100 101 097 115
067 111 109 112 117 116 105 110 103 032 105 115 032 099 111 111 108 033 033
084 104 101 032 115 108 111 119 032 111 108 100 032 104 111 114 115 101 032
How many characters are currently represented (in 2021) by the Unicode system?
21,977
1,250,569
75,004
144,697
UTF-8 is the most common encoding system on the web for Unicode. What does UTF stand for?
Universal Text Format
Unicode Transformation Format
Unicode Text Free
Use The Force
What version is the latest and most current version of Unicode (as of 2021)?
8.0
10.0
12.0
14.0
