1.3 Information Coding Scheme

What are the three (3) coding systems that can be used to process alphanumeric text in a computer?

• EBCDIC

• Unicode

• Byte

• ASCII

Advantage of Unicode:

• Can represent 65,536 characters, capable of representing almost all the world's current languages, classical and historical languages and symbols.

• Can represent 65,535 characters, capable of representing almost all the world's current languages, classical and historical languages and symbols.

• Only sufficient for English and Western European language but is not large enough for Asian and other languages that use different alphabet.

Answer explanation

EBCDIC uses 8 bits to represent a character.

ASCII can represent up to _____ characters.

Which category of computer that are NOT using ASCII coding scheme?

• IBM mainframe

• Minicomputers

• Servers

• High-end servers

Answer explanation

Servers and minicomputers are the usage of ASCII.

Calculate total number of bits for the phrase using EBCDIC information coding scheme:

"APA KHABAR SEMUA"

(answer with unit)

Calculate total number of bytes for the phrase using Unicode information coding scheme:

SEMOGA BERJAYA

(answer with unit)