Contents
- 1 What is the difference between ASCII and extended ASCII?
- 2 What are the advantages of the extended ASCII character set over the ASCII character set?
- 3 What is a disadvantage of ASCII?
- 4 Is extended ascii still used?
- 5 Is extended ASCII still used?
- 6 How do I type an ASCII character?
- 7 Why was the development of ASCII so important?
- 8 What is the difference between ASCII and hexadecimal?
What is the difference between ASCII and extended ASCII?
The basic ASCII set uses 7 bits for each character, giving it a total of 128 unique symbols. The extended ASCII character set uses 8 bits, which gives it an additional 128 characters. The extra characters represent characters from foreign languages and special symbols for drawing pictures.
What are the advantages of the extended ASCII character set over the ASCII character set?
Extended ASCII
- ASCII uses 8 bits to represent a character.
- ASCII can represent 128 characters.
- ASCII sets the most significant bit as a parity bit.
- Extended ASCII can allow for the representation of 256 characters and disregards that use of a parity bit.
- ASCII is less demanding on memory use than Unicode.
Why did the use of extended ASCII codes cause problems for users?
(b) Why did the use of extended ASCII codes cause problems for users? There was no standard. Different manufacturers used them to represent different characters e.g. accented letters in French. There needed to be more characters to cover all the languages on earth.
How do I use extended ASCII?
On a standard 101 keyboard, special extended ASCII characters such as é or ß can be typed by holding the ALT key and typing the corresponding 4 digit ASCII code. For example é is typed by holding the ALT key and typing 0233 on the keypad.
What is a disadvantage of ASCII?
Answer: disadvantages of ASCII : maximum 128 characters that is not enough for some key boards having special characters. 7bit may not enough to represent larger values. advantage compare to EBCDIC are 7bit so quickly transferable in a fraction of time.
Is extended ascii still used?
ASCII is still used for legacy data, however, various versions of Unicode have largely supplanted ASCII in computer systems today. But the ASCII codes were used in the order-entry computer systems of many traders and brokers for years.
What are the disadvantages of ASCII?
What is the largest ASCII code?
1 ASCII and Unicode The biggest number that can be held in 7-bits is 1111111 in binary (127 in decimal). Therefore 128 different characters can be represented in the ASCII character set (Using codes 0 to 127). More than enough to cover all of the characters on a standard English-Language keyboard.
Is extended ASCII still used?
How do I type an ASCII character?
To insert an ASCII character, press and hold down ALT while typing the character code. For example, to insert the degree (º) symbol, press and hold down ALT while typing 0176 on the numeric keypad. You must use the numeric keypad to type the numbers, and not the keyboard.
Which is an example of an extended ASCII code?
This table shows some examples of letters represented using the ASCII character set: Extended ASCII code is an 8-bit character set that represents 256 different characters, making it possible to use characters such as é or ©. Extended ASCII is useful for European languages.
How many bits of ASCII does Unicode use?
Extended ASCII is useful for European languages. Unicode. Unicode uses between 8 and 32 bits per character, so it can represent characters from languages from all around the world. It is commonly …
Why was the development of ASCII so important?
ASCII is used as a method to give all computers the same language, allowing them to share documents and files. ASCII is important because the development gave computers a common language. What does ASCII stand for? ASCII is an acronym that stands for American Standard Code for Information Interchange.
What is the difference between ASCII and hexadecimal?
Hexadecimal is a shortcut for representing binary. ASCII and Unicode are important character sets that are used as standard. Two standard character sets are ASCII and Unicode. The ASCII character set is a 7-bit set of codes that allows 128 different characters.