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NIELIT STQC 2021 Quiz-67
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Question 1
If the probability of an event is 
, then
, then
Question 2
If a random coin is tossed 11 times, then what is the probability that for 7th toss head appears exactly 4 times ?
Question 3
A and B Throws alternatively a pair of dice. A wins if he throws a six before B throws 7, and B wins if he throws 7 before A throws 6. If A start the game, find the chances of winning of A.
Question 4
Consider a system with 8 processes, each process requires maximum of 3 instances of resource ‘R’, what is the maximum value of resources ‘R’ so that system is in deadlock?
Question 5
A certain memory has a capacity of 16K X 16
How many address lines does it have?
Question 6
What is calloc() function used for?
Question 7
Assume that the operators +, -, x are left associative and ^ is right associative. The order of precedence (from highest to lowest) is ^, x, +, -. The postfix expression corresponding to the infix expression
a + b x c – d ^ e ^ f is
a + b x c – d ^ e ^ f is
Question 8
The Grammar can be defined as: G=(V, ∑, p, S)
In the given definition, what does S represents?
Question 9
Palindromes can’t be recognized by any Finite State Automata because :
Question 10
Consider the following C declaration :
Assume that objects of the type short, float and long occupy 2 bytes, 4 bytes and 8 bytes respectively. The memory requirement for variable t, ignoring alignment considerations, is
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GATE & PSU CSGeneralApr 29GATE & PSU CS
