Operating System (OS)
The higher versions of the operating systems are so written that programs designed for earlier versions can still be run. What is it called?

Upgradability
Upward compatibility
None of these
Upward mobility
Universality

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Which of the following is not true about documentation?

Documentation increases the maintenance time and cost
Documentation, of a system, should be as clear and direct as possible
None of these
Documentation gives better understanding of the problem
All of these

ANSWER DOWNLOAD EXAMIANS APP