ASCII and Unicode Standards

 Introduction to ASCII and Unicode Standards:

➤ ASCII means American Standard Code for Information Interchange.

➤ ASCII is a character encoding standard for electronic communication.

➤ ASCII codes represent text in computers, telecommunications equipment and other devices.

➤ It uses the 7 bit code.

➤ It support 128 bit.

➤ Latest  8 bit ASCII support the 256 characters.

EBCDIC:

➤ EBCDIC means Extended Binary Coded Decimal Interchange.

➤ EBCDIC is an 8 bit character encoding used mainly on IBM mainframe and IBM mid range computer operating systems.

➤ It used the 8 bit code.

➤ It represents the 256 characters.

UNICODE STANDARDS:

➤ The Unicode standard is a character coding system designed to support the worldwide interchange, processing and display of the written texts of the diverse language and technical disciplines of the modern worlds. (युनिकोड मानक एक चरित्र कोडिंग प्रणाली हो जुन विश्वव्यापी ईन्टरचेन्ज, प्रोसेसिंग र आधुनिक भाषाहरूको विविध भाषा र प्राविधिक विषयहरूको लिखित ग्रन्थहरूको प्रदर्शन समर्थन गर्दछ।)

➤ It supports 64000 Characters.

Nepali Unicode Keyboard layouts:

Two type of Nepali keyboard layouts are available till date Traditional and Romanized layout.

1. Traditional layouts: Traditional layout is designed for true Font (TTF) like, Preeti, Kantipur etc.)

2. Romanized Layout: It is translation of the Nepali using English character. E.g. Aa(आ), ba(ब),Nepali(नेपाली).