Question

EBCDIC 8 bit encoding scheme were mainly used by

• A. DELL
• B. HP
• C. IBM
• D. Linux

Hint:

While ASCII is universally used in almost all modern computers and the internet, EBCDIC is a legacy encoding strongly tied to IBM Mainframe environments.

Answer 1

The Correct Option is C

Step 1: Understanding the Question:
The question asks us to identify the major technology company associated with the creation and widespread use of the EBCDIC encoding scheme.


Step 2: Detailed Explanation:
EBCDIC stands for Extended Binary Coded Decimal Interchange Code.
It is an 8-bit character encoding scheme that was developed exclusively by IBM in the 1960s.
This specific encoding scheme was predominantly used on IBM mainframe operating systems and IBM midrange computer architectures.
In contrast, most other computer systems, manufacturers, and platforms eventually adopted the ASCII (American Standard Code for Information Interchange) encoding standard.


Step 3: Final Answer:
The EBCDIC encoding scheme was mainly used by IBM.

Answer 2

The question asks which company mainly used the EBCDIC 8-bit encoding scheme. Let's assess each company against what we know about EBCDIC's origin and adoption.

1. DELL: Dell was founded in 1984, building personal computers that used ASCII-based operating systems from the outset. It has no historical connection to the mainframe era when EBCDIC was introduced, so it doesn't fit.
2. HP: Hewlett-Packard built its computing business mainly around Unix workstations and later ASCII/Unicode based systems, not mainframes using EBCDIC. There is no notable link between HP and EBCDIC's development or primary use.
3. IBM: IBM created EBCDIC in the early 1960s to keep compatibility with the punched-card equipment it had already been manufacturing for decades, and it deployed EBCDIC across its System/360 mainframe line. This direct authorship and deployment history matches the question exactly.
4. Linux: Linux is an open-source operating system that emerged in the 1990s, long after EBCDIC's mainframe era, and it natively uses ASCII and Unicode. It is not even a hardware manufacturer, so it cannot be the answer to a question about which company used a hardware-era encoding scheme.

Only IBM has the direct historical role of both inventing EBCDIC and using it as the standard encoding across its own mainframe systems.

Therefore, the correct answer is IBM.