Q421.By default we can save the file in

a) Desktop
b) Recycle bin
c) My document
d) My computer

Answer : c

Q422.____ is the operating systems File and folder Manager

a) Windows Explorer
b)Windows Control Panel
c) My Computer
d) My Documents

Answer : a

Q423.It is used to explorer the contents of computer, drives as well as manage files

a) Recent Places
b) My Document
c) My Computer
d) My Network Place

Answer : b

Q424.The OS used to operate the mobile phone is a

a) Smart card OS
b) Embedded OS
c) Multiuser OS
d) None of above

Answer : b

Q425.UNIX operating system is a(n)

a) Time sharing operating system
b) Multi-user operating system
c) Multi-tasking operating system
d) All of the above

Answer : d

Q426.The ability of an operating system to control the activities of multiple program at the same time is called

a) Multitasking
b) Multiprocessing
c) Multioperating
d) Multipaging

Answer : a

Q427.Disk label name can be up to …… characters

a) 8
b) 9
c) 11
d) 255

Answer : c

Q428. ……… is used in operating system to separate mechanism from policy

a) Single level implementation
b) Two level implementation
c) Multi level implementation
d) None

Answer : b

Q429.The modern keyboard typically has __________ Function keys.

a) 10
b) 12
c) 14
d) 16

Answer : b

Q430.Essential files of MS DOS are

a) Command.com
b) Io.sys
c) Msdos.sys
d) All of above

Answer : coming soon