Operating System Multiple choice Questions and Answers-Introduction to Operating Systems

51.	One that is not a operating system mode is
a.	user mode
b.	kernel mode
c.	supervisor mode
d.	system mode

Discuss

Answer: (d).system mode

52.	Dynamic random access memory with battery backup is
a.	RAM
b.	NVRAM
c.	VNRAM
d.	NVROM

Discuss

Answer: (b).NVRAM

Discuss

Answer: (c).mega byte

54.	First process that is executed by operating system during booting is
a.	init
b.	initl
c.	mint
d.	start

Discuss

Answer: (a).init

55.	Multiprocessor environment of the computer system uses
a.	parallel resources
b.	dedicated resources
c.	shared resources
d.	both a and b

Discuss

Answer: (c).shared resources

56.	A software generated interrupt caused by an error during program execution is called?
a.	a trap
b.	a program
c.	a process
d.	a malware

Discuss

Answer: (a).a trap

57.	DMA is the part of computer system which is the abbreviation of?
a.	dynamic memory address
b.	direct memory access
c.	dynamic memory access
d.	direct memory address

Discuss

Answer: (b).direct memory access

58.	Quad core processors are the processors having
a.	1 Processor
b.	2 Processors
c.	3 Processors
d.	4 Processors

Discuss

Answer: (d).4 Processors

59.	Each blade server of the computer system has its own
a.	memory
b.	hardware
c.	programs
d.	operating system

Discuss

Answer: (d).operating system

60.	One byte memory storage is a collection of
a.	characters
b.	nibble
c.	bits
d.	words

Discuss

Answer: (c).bits