## GATE | GATE-CS-2002 | Question 20

With regard to the expressive power of the formal relational query languages, which of the following statements is true? (A) Relational algebra is more powerful… Read More »

## GATE | GATE-CS-2002 | Question 23

Relation R with an associated set of functional dependencies, F is decomposed into BCNF. The redundancy (arising out of functional dependencies) in the resulting set… Read More »

## GATE | GATE-CS-2002 | Question 18

The results returned by functions under value-result and reference parameter passing conventions (A) Do not differ (B) Differ in the presence of loops (C) Differ… Read More »

## GATE | GATE-CS-2002 | Question 17

In the C language (A) At most one activation record exists between the current activation record and the activation record for the main (B) The… Read More »

## GATE | GATE-CS-2002 | Question 16

Sign extension is a step in (A) floating point multiplication (B) signed 16 bit integer addition (C) arithmetic left shift (D) converting a signed integer… Read More »

## GATE | GATE-CS-2002 | Question 15

The 2′ s complement representation of the decimal value – 15 is (A) 1111 (B) 11111 (C) 111111 (D) 10001 Answer: (D) Explanation: We have… Read More »

## GATE | GATE-CS-2002 | Question 14

The decimal value 0.25 (A) is equivalent to the binary value 0.1 (B) is equivalent to the binary value 0.01 (C) is equivalent to the… Read More »

## GATE | GATE-CS-2002 | Question 13

Which of the following is not a form of memory? (A) instruction cache (B) instruction register (C) instruction opcode (D) translation lookaside buffer Answer: (C)… Read More »

## GATE | GATE-CS-2002 | Question 50

Minimum sum of product expression for f(w, x, y, z) shown in Karnaugh-map below is   yz\wx 00 01 11 10 00 0 1 1… Read More »

## GATE | GATE-CS-2002 | Question 11

In serial data transmission, every byte of data is padded with a ‘0’ in the beginning and one or two ‘I’ s at the end… Read More »

## GATE | GATE-CS-2002 | Question 23

In 8085, which of the following modifies the program counter ? (A) Only PCHL instruction (B) Only ADD instructions (C) Only JMP and CALL instructions… Read More »

## GATE | GATE-CS-2002 | Question 9

A device employing INTR line for device interrupt puts the CALL instruction on the data bus while A) is active B) HOLD is active C)… Read More »

## GATE | GATE-CS-2002 | Question 8

“If X, then Y unless Z” is represented by which of the following formulae in propositional logic? (“¬” is negation “^” is conjunction, and “→”… Read More »

## GATE | GATE-CS-2002 | Question 7

The language accepted by a Pushdown Automation in which the stack is limited to 10 items is best described as (A) Context Free (B) Regular… Read More »

## GATE | GATE-CS-2002 | Question 6

Which of the following is true? (A) The set of all rational negative numbers forms a group under multiplication. (B) The set of all non-singular… Read More »