Question

1.
A. Choose the best answer:
operating system allows a user to run more than one application programs at the
same time.
a. Multitasking
b. Multi-user
c. Multipurpose
Which among the following shortcut keys is used to decrease the indent?
a. Ctrl + N
b. Ctrl + Shift + M
c. Ctrl + D
is the collection of programs that are stored and run on the computer hardware,
and help users to work on the computer.
a. Software
b. Hardware
c. Language Processor
The era of first generation computers was from
a. 1920-1936
b. 1940 - 1956
c. 1950 - 1958
1955 only question 2​

Answer 1

Answer:

pehla ka A

2 KA C

3 KA A

4th you know

Answer 2

Answer:

A. multitasking

B. ctrl+shift+M

C. software

D. 1940-1956