MIND SWEEPER

Is Bitwise & and | are unary operators

• True

• False

Which bitwise operator is suitable for turning off a particular bit in a number?

• && operator

• & operator

• || operator

• ! operator

If the two strings are identical, then strcmp() function returns

• -1

• 1

• 0

• Yes

How will you free the allocated memory ?

• free(var-name);

• remove(var-name);

• delete(var-name);

• dalloc(var-name);

You want subclasses in any package to have access to members of a superclass. Which is the most restrictive access that accomplishes this objective?

• Protected

• Public

• Private

• Transistent

We can add a row using SQL in a database with which of the following?

ADD

• Make

• create

• Add

• insert

If the array is already sorted, then the running time for merge sort is

• O(1)

• O(n*log n)

• O(n)

• O(n^2)

The command to remove a table 'CUSTOMER' in database

• remove

• delete

• drop

• remove

for an algorithm time complexity is given by O(1) then complexityof it is:

• constant

• All options will use

• exponential

• polynomial

Which one of the following is not a valid state of a thread?

• block

• Destroying

• Running

• ready