Question

Choose the correct answer :
1• MS - DOS is :
(a) single user os
(b) multi user os
(c) multi tasking os
(d) none

2. The extension of an executable file is :
(a) .bat
(b).dbf
(c).pdf
(d).exe

3. Windows operating system is popularly known as :
(a) CUI ( Character user interface)
(b) CUI (Computer user interface
(c) GUI
(d) none

4.Control Panel is :
(a) an application icon
(b) a system icon
(c) a compiler
(d) none​

Answer 1

Answer:

1. c

2.d

3.b

4.b

Explanation:

1. dos performing multi task on a time

2.exe file is executed for running software or installation

3.operating system which was based kernel mode in that computer based system

4.control panel is very important to setting the system which was running.so it is system icon

Answer 2

Answer:

1 (c)

2(d)

3(b)

4(b)

Explanation:

please refer to the attachment.

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