WorksheetsNGHS GCSE CHARACTER ENCODING
Total questions: 11
Worksheet time: 8mins
Name
Class
Date
1.
7 bit ASCII code can represent 128 characters
a)
True
b)
False
2.
The ASCII code is represented by using 16 bits
a)
TRUE
b)
FALSE
3.
Upper and lower case letters have a different ASCII code
a)
TRUE
b)
FALSE
4.
Choose the best answer about character sets:
a)
All characters in character sets are stored in binary.
b)
Some characters in character sets are stored in binary.
c)
Only binary characters in character sets are stored in binary.
5.
The following is true about character sets:
a)
Each letter has a unique code
b)
Lower and upper case letters share the same codes
c)
ASCII is one of the latest character sets to be adopted
6.
Identify a true statement:
a)
Standard ASCII only uses the first 128 positions in the table.
b)
Standard ASCII only uses the first 255 positions in the table.
c)
ASCII has more letters than Unicode
7.
The main purpose of character sets is:
a)
To allow humans to express alphanumeric characters in a binary table
b)
To run the Internet
c)
To simplify computer programming
8.
Unicode can represent:
a)
65,536 different characters
b)
255 characters
c)
127 characters
9.
Unicode contains more characters than ASCII.
a)
True
b)
False
10.
Unicode uses the same amount of memory to store a character as ASCII.
a)
True
b)
False
11.
There is more than one version of Extended ASCII.
a)
True
b)
False
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