Objective Questions Series 2(11-20)

11) what does 'B' in B tree stands for:                          its "balanced tree"........

12) One can convert a binary tree into its mirror image by traversing it in
(1) postorder
(2) inorder
(3) preorder
(4)any order

post order..inorder gives nodes in ascendng order..., preorder gives depth first ordering...

13) Given the following expressions of a
grammar
E --> E * F / F + E / F
F --> F – F / id
Which of the following is true ?
(A) * has higher precedence than +
(B) – has higher precedence than *
(C) + and – have same precedence
(D) + has higher precedence than *

lower priority operator is alwayas comes at first level and then higher priority and so on .since * and + comes at first level and then - is at next level .hence - is having higher priority then *.

14) The amount of uncertainty in a system of symbol is called
1.Bandwidth
2.Entropy
3.Loss
4.Quantum

15) A 10Base-2 network is limited to
1.20 bytes per data field
2.30 stations per segment
3.40 segments
4.50 feet of cable

16) 76% like UGC exam and 63% like Gate exam; how many like both

76+63-100=39

17) RAID stands for
(1) rapid action in disaster
(2) random access internal disks
(3) rapid application interface design
(4) redundant arrays of independent disks

 

18) Which of the following statements is/are true ?
1 Cache Memories are bigger than RAM
2 Cache Memories are smaller than RAM
3 ROM are faster than RAM
4 Information in ROM can be written by users

19) The graphic method of LP uses
a. Objective function equation
b. Constraint equation
c. linear equations.
d. all of the above

20) In a high resolution mode, the number of dots in a line will usually be ----
1 320
2 640
3 760
4 900