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GATE-CS-2000

Question 1

The minimum number of cards to be dealt from an arbitrarily shuffled deck of 52 cards to guarantee that three cards are from some same suit is
  • 3
  • 8
  • 9
  • 12

Question 2

An n x n array v is defined as follows:
v[i, j] = i-j for all i, j, 1 <= i <= n, 1 <= j <= n
The sum of the elements of the array v is
  • 0
  • n-1
  • n2 - 3n + 2
  • n2 (n+1)/2

Question 3

The determinant of the matrix is 

GATECS2000Q3

  • 4
     

  • 20
     

  • 0
     

  • 5
     

Question 4

Let S and T be language over Σ = {a,b} represented by the regular expressions (a+b*)* and (a+b)*, respectively. Which of the following is true?
  • S ⊂ T
  • T ⊂ S
  • S = T
  • S ∩ T = φ

Question 5

Let L denotes the language generated by the grammar S -> 0S0/00. Which of the following is true?

  • L = 0+

  • L is regular but not 0+

  • L is context free but not regular

  • L is not context free

Question 6

The number 43 in 2\'s complement representation is
  • 01010101
  • 11010101
  • 00101011
  • 10101011

Question 7

To put the 8085 microprocessor in the wait state
  • lower the-HOLD input
  • lower the READY input
  • raise the HOLD input
  • raise the READY input

Question 8

Comparing the time T1 taken for a single instruction on a pipelined CPU with time T2 taken on a non­ pipelined but identical CPU, we can say that
  • T1 <= T2
  • T1 >= T2
  • T1 < T2
  • T1 is T2 plus the time taken for one instruction fetch cycle

Question 9

The 8085 microprocessor responds to the presence of an interrupt
  • As soon as the TRAP pin becomes \'high\'
  • By checking the TRAP pin for \'high\' status at the end of each instruction fetch
  • By checking the TRAP pin for \'high\' status at the end of the execution of each instruction
  • By Checking the TRAP pin for \'high\' status at regular intervals

Question 10

The most appropriate matching for the following pairs
X: Indirect addressing            1 : Loops

Y: Immediate addressing           2 : Pointers

Z: Auto decrement addressing      3: Constants
is
  • X-3, Y-2, Z-1
  • X-I, Y-3, Z-2
  • X-2, Y-3, Z-1
  • X-3, Y-l, Z-2

There are 49 questions to complete.

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