Operating System Multiple choice Questions and Answers-OS Basics

11.	Dual mode operating system of computer system has operations of
a.	1mode
b.	2modes
c.	3modes
d.	4modes

Discuss

Answer: (b).2modes

12.	Logical extension of multiprogramming of operating system is
a.	time sharing
b.	multi tasking
c.	single programing
d.	both a and b

Discuss

Answer: (d).both a and b

13.	UNIX was initially developed at
a.	Bell Labs
b.	Nasa Labs
c.	Microsoft Labs
d.	Kaspersky Labs

Discuss

Answer: (a).Bell Labs

14.	Win32 application programming interfaces of operating system is for
a.	windows
b.	Unix
c.	Linux
d.	Solaris

Discuss

Answer: (a).windows

15.	Which of the following will determine your choice of systems software for your computer ?
a.	Is the applications software you want to use compatible with it ?
b.	Is it expensive ?
c.	Is it compatible with your hardware ?
d.	Both 1 and 3

Discuss

Answer: (d).Both 1 and 3

Discuss

Answer: (b).It is a command interpreter

17.	The operating system manages ________.
a.	Memory
b.	Processor
c.	Disk and I/O devices
d.	All of the above

Discuss

Answer: (d).All of the above

18.	The Hardware mechanism that enables a device to notify the CPU is called __________.
a.	Polling
b.	Interrupt
c.	System Call
d.	None of the above

Discuss

Answer: (b).Interrupt

19.	A program at the time of executing is called ________.
a.	Dynamic program
b.	Static program
c.	Binded Program
d.	A Process

Discuss

Answer: (d).A Process

20.	If you don't know which version of MS-DOS you are working with, which command will you use after booting your operating system ?
a.	Format command
b.	FAT command
c.	VER command
d.	DISK command

Discuss

Answer: (c).VER command