Category Archives: ISRO

An array of 2 two byte integers is stored in big endian machine in byte address as shown below. What will be its storage pattern… Read More

The persist timer is used in TCP to (A) To detect crashes from the other end of the connection (B) To enable retransmission (C) To… Read More

To send same bit sequence, NRZ encoding require (A) Same clock frequency as Manchester encoding (B) Half the clock frequency as Manchester encoding (C) Twice… Read More

The SQL query SELECT columns FROM TableA RIGHT OUTER JOIN TableB ON A.columnName = B.columnName WHERE A.columnName IS NULL returns the following: (A) All rows… Read More

If every non-key attribute functionally dependent on the primary key, then the relation will be in (A) First normal form (B) Second normal form (C)… Read More

One instruction tries to write an operand before it is written by previous instruction. This may lead to a dependency called (A) True dependency (B)… Read More

In a two-pass assembler, resolution of subroutine calls and inclusion of labels in the symbol table is done during (A) second pass (B) first pass… Read More

The number of tokens in the following C code segment is switch(inputvalue) { case 1 : b = c * d; break; default : b… Read More

If ABCD is a 4-bit binary number, then what is code generated by the following circuit ? (A) BCD code (B) Gray code (C) 8421… Read More

Minimum number of NAND gates required to implement the following binary equation (A’+B’)(C+D) (A) 4 (B) 5 (C) 3 (D) 6 Answer: (A) Explanation: Given… Read More

Of the following, which best approximates the ratio of the number of non-terminal nodes in the total number of nodes in a complete K-ary tree… Read More

In a class definition with 10 methods, to make the class maximally cohesive, number of direct and indirect connections required among the methods are (A)… Read More

Consider the following pseudo-code: I = 0; J = 0; K = 8; while (I < K – 1) //while-1 { J = J +… Read More

Raymonds tree based algorithm ensures (A) no starvation, but deadlock may occur in rare cases (B) no deadlock, but starvation may occur (C) neither deadlock… Read More

The Master theorem (A) assumes the subproblems are unequal sizes (B) can be used if the subproblems are of equal size (C) cannot be used… Read More