Windows OS and Mac OS are examples of single user, multi tasking Operating Systems.
Answer:
Software requirement specification
Explanation:
requirement specification is the first step before proceeding with any project.
we should validate our output at all phases with software requirement specification
Answer:
Zebra.
Explanation:
Stack is LIFO, so Zebra is added in the last so it will be removed first.
Answer:
D, most likely thats what I was taught .