Q281. A state is safe if the system can allocate resources to each process (up to its maximum) in some order and still avoid deadlock. Which of the following are true?
a) Deadlocked state is unsafe.
b) Deadlocked state is a subset of unsafe state.
c) Unsafe state may lead to a deadlock situation.
d) All are true.
Answer : d
Q282. In which of the following scheduling policies does context switching never take place?
a) Round-robin
b) Shortest job first
c) First-cum-first-served
d) Both (B) and (C)
Answer : d
Q283. If the displayed system time and date is wrong, you can reset it using
a) Write
b) Calendar
c) Write file
d) Control panel
Answer : d
Q284. You should save your computer from?
a) Viruses
b) Time bombs
c) Worms
d) All of the above
Answer : d
Q285.World Wide Web is being standard by
a) World wide corporation
b) W3C
c) World Wide Consortium
d) World Wide Web Standard
Answer : b
Q286. Which of the following is program group?
a) Accessories
b) Paint
c) Word
d) All of above
Answer : a
Q287.The part of machine level instruction, which tells the central processor what has to be done, is
a) Operation code
b) Address
c) Locator
d) Flip-Flop
Answer : a
Q288.Which of the following refers to the associative memory?
a) the address of the data is generated by the CPU
b) the address of the data is supplied by the users
c) there is no need for an address i.e. the data is used as an address
d) the data are accessed sequentially
Answer : c
Q289.To avoid the race condition, the number of processes that may be simultaneously inside their critical section is
a) 8
b) 1
c) 16
d) 0
Answer : b
Q290. A system program that combines the separately compiled modules of a program into a form suitable for execution
a) assembler
b) linking loader
c) cross compiler
d) load and go
Answer : b