1
GATE CSE 2007
MCQ (Single Correct Answer)
+1
-0.3
The minimum positive integer p such that (3p modulo 17) = 1 is
2
GATE CSE 2007
MCQ (Single Correct Answer)
+1
-0.3
Exponentiation is a heavily used operation in public key cryptography. Which of the following options is the tightest upper bound on the number of multiplications required to compute (bn mod m),$$0 \le b,n \le m$$?
3
GATE CSE 2007
MCQ (Single Correct Answer)
+2
-0.6
In a look $$-$$ ahead carry generator, the carry generate function $${G_i}$$ and the carry propagate function $${P_i}$$ for inputs, $${A_i}$$ and $${B_i}$$ are given by: $${P_i} = {A_i} \oplus {B_i}$$ and $${G_i} = {A_i}{B_i}.$$
The expressions for the sum bit $${S_i}$$ and the carry bit $${C_{i + 1}}$$ of the look ahead carry adder are given by $${S_i} = {P_i} \oplus {C_i}$$ and $${C_{i + 1}} = {G_i} + {P_i}{C_i},$$ where $${C_0}$$ is the input carry. Consider a two $$-$$ level logic implementation of the look $$-$$ ahead carry generator. Assume that all $${P_i}$$ and $${G_i}$$ are available for the carry generator circuit and that the $$AND$$ and $$OR$$ gates can have any number of inputs. The number of $$AND$$ gates and $$OR$$ gates needed to implement the look $$-$$ ahead carry generator for a $$4$$-bit adder with $${S_3},\,\,{S_2},\,\,{S_1},\,\,{S_0}$$ and $${C_4}$$ as its outputs are respectively
4
GATE CSE 2007
MCQ (Single Correct Answer)
+1
-0.3
Consider a $$4$$-way set associative cache consisting of $$128$$ lines with a line size of $$64$$ words. The $$CPU$$ generates a $$20$$-bit address of a word in main memory. The numbers of bits in the TAG, LINE and WORD fields are respectively
Paper analysis
Total Questions
Algorithms
12
Compiler Design
5
Computer Networks
10
Computer Organization
5
Data Structures
13
Database Management System
11
Digital Logic
5
Discrete Mathematics
20
Operating Systems
9
Programming Languages
1
Theory of Computation
7
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