MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -UNIX was earlier known to be UNICS, which stands for UNiplexed Information Computing System.. UNIX is a popular operating system, first got released in 1969. UNIX is a multi-tasking, powerful, multi-user, a virtual OS which could be implemented on a variety of platforms(Eg.

Detailed explanation-2: -In 1969 he wrote the first version of Unix, called UNICS. UNICS stood for Uniplexed Operating and Computing System. Although the operating system has changed, the name stuck and was eventually shortened to Unix.

Detailed explanation-3: -In 1969 a team led by computer scientists Ken Thompson and Dennis Ritchie created the first version of UNIX on a PDP-7 minicomputer, which was chosen mainly because of Thompson’s familiarity with the system from his hobby work on it.

Detailed explanation-4: -UNiplexed Information Computing System is a multi-user OS that is also virtual and can be implemented across a wide range of platforms such as desktops, laptops, servers, mobile devices and more.

Detailed explanation-5: -The Unix Operating System is the oldest operating system that has ever existed. Unix can run multiple application programs simultaneously. Unix was firstly written in the low-level PDP-7 assembler language before it was rewritten in 1972 with the new C programming language.