Placement Papers: Future Soft 2009 Paper
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Some palindrome question. The answer was (c)

Capacity of line… Ans was 900

Number of null pointers in any binary tree = n + 1

print (Head (T) ) Traverse (left (T) ) print (Head (T) ) Traverse (right (T) ) ans: None of the above

Boolean expn Evalvate

Common subexpn: ans: a + e

LRU: 1, 2, 3

Tr. Delay10000 bits ans. 10.01

Grammar of Number of shift/reduce operator: Ans. 4

CPU scheduling 9, 8?

S → AB  AS A → a  aA B → b

What is the grammer accepted by the above? Ans. Aa * b

allocation ans 2 only

swapping: Ans reference only

Compilerrelated Qn.

LAN frames? related Qn.

parameter passing (35, 20)

sliding window protocol

BUFFER SIZE large


kernel modedeallocate resource

Combinatorics related

priority scheduling

cobegin begin x = y; x = x + 1; y = x begin x = y; z = z + 1; y = z coend ans. Number of values possi = 2

2 bits flip/2 bits exchange ans: The word with one ‘1’

any addr K^ + v (a) + 2I − 2a

S → AB  AS A → a  aA B → b What is the grammer accepted by the above? Ans. Aa * b How many address lines are needed to address a 64Kb segment with each register storing upto 512 bytes. Ans. 14 address lines Form the POS form of the expression given below _ _ _ X. Y. Z + X. Y. Z + X (Y + Z).

In a computer system the ROM:

contains boot software

is permanent

Both of the above

None of the above
Ans (c).


Find the output for the following C program int array[4][4] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}; for (i = 2; i<0; i) for (j = 2; j ⇐ 0; j) printf ( “%d” arr[i][j])

Find the output for the following C program #include <stdio. h> void main () { int i, x, sum = 0; int arr[6] = [1, 2, 3, 4, 5, 6] for (i = 0; i<4; i + + ) sum + = func (arr[i]); printf ( “%d” sum); } func (int x) { int val, x; val = 2; return (x + val + + ); }

Given a string STOCK and a stack of size 4. Which of the following strings cannot be generated using this stack.

TSOCK

TOSKC

STOCK

TKOSC

None of these


What range of integral values can be stored using 32 bits?

If a layer 4 transfers data at the rate of 3000 bytes/sec. What will be the size of data block transferred by Layer 2

If there are n nodes and K edges in a graph then what is the order of traversing Ans. O (n^{2})

A graph is represented as an adjacency list with n vertices and e edges

e = <e + e>  <e * e>  < (e) >  <id>

What forms do the expressions created by the above definition fit in Ans. All arithematic expressions

The s/n id 3 dB Find the capacity of the line.