Question

A. Tick () the correct option.
1. Windows OS is easy for beginners to work with as it is based on Graphical User
Interface. Which company has developed it?
a. IBM
b. Microsoft
c. Hewlett Packard
d. Cisco
2. Which of the following OS reads and reacts at actual time?
a. Real Time
b. Time-sharing c. Batch Processing
d. Multi-user
3.
permits all different modules of a single program to run at the same time.
a. Multi-threading b. Multi-tasking c. Multi-user d. Multiprocessing​

Answer 1

Answer:

Explanation:

1. b

2.  I dont Understand

3. a