NIELIT STQC 2021 Quiz-36

After implementing the function

using , which of the following is correct?

Consider the following relational schema;

Class (class_ID, class_name, class_Dept)

Student (stud_ID, stud_Name, stud_RepID, grade)

stud_RepID is a foreign key referring to class ID of the Class relation. Assume that each class has atleast 1 student whose report is generated.

What does the following query return?

Select class_name

From class C

where not exists (select stud_ID

From Student S

Where S.stud_Rep ID = C.class_ID

and C . grade = 'A');

Identify which application layer protocol is stateless protocol?

The simplification of the expression F = [P + Q] [P’(Q’ + R’)]’ + P’Q’ + P’R’ will be ____________.

A computer instruction set contains 100 instructions. Each instruction takes 4 cycles to complete the execution. Computer uses vertical microprogrammed control unit design. The size of control address register (in bits) is ________.

The circuit shown in the given figure is

Here A, B are inputs & P, Q, R are outputs

The solution of the recurrence elation is

If a 2 -regular graph G has a perfect matching, then which of the following is not true?

Let X and Y be two independent random Poisson variables with parameters . The distribution of

Bag A contains 2 white and 4 black balls while Bag B contains 5 white and 7 black balls. A ball is transferred from Bag A to Bag B and then a ball is drawn from the bag B. The probability that the ball drawn is white is: