GATE CSE 2020
View Questions

GATE CSE

Let G = (V, E) be a weighted undirected graph and let T be a Minimum Spanning Tree (MST) of G maintained using adjacency
View Question
Consider a graph G = (V, E), where V = {v1, v2, ...., v100}, E = {(vi, vj) | 1 ≤ i < j ≤ 100}, and weight of the edg
View Question
For parameters a and b, both of which are $$\omega \left( 1 \right)$$, T(n) = $$T\left( {{n^{1/a}}} \right) + 1$$, and T
View Question
Consider the productions A $$ \to $$ PQ and A $$ \to $$ XY. Each of the five non-terminals A, P, Q, X, and Y has two att
View Question
Consider the following grammar. S $$ \to $$ aSB| d B $$ \to $$ b The number of reduction steps taken by a bottom-up pars
View Question
Consider the following statements. I. Symbol table is accessed only during lexical analysis and syntax analysis. II. Com
View Question
An organization requires a range of IP addresses to assign one to each of its 1500 computers. The organization has appro
View Question
Assume that you have made a request for a web page through your web browser to a web server. Initially the browser cache
View Question
Consider a TCP connection between a client and a server with the following specifications: the round trip time is 6 ms,
View Question
Consider the following statements about the functionality of an IP based router. I. A router does not modify the IP pack
View Question
A computer system with a word length of 32 bits has a 16 MB byte-addressable main memory and a 64 KB, 4-way set associat
View Question
Consider a non-pipelined processor operating at 2.5 GHz. It takes 5 clock cycles to complete an instruction. You are goi
View Question
A processor has 64 registers and uses 16-bit instruction format. It has two types of instructions: I-type and R-type. Ea
View Question
Consider the following statements. I. Daisy chaining is used to assign priorities in attending interrupts. II. When a de
View Question
Consider the following data path diagram. Consider an instruction: R0 $$ \leftarrow $$ R1 + R2. The following steps are
View Question
A direct mapped cache memory of 1 MB has a block ize of 256 bytes. The cache has an access time of 3 ns and a hit rate o
View Question
Let G = (V, E) be a directed, weighted graph with weight function w: E $$ \to $$ R. For some function f: V $$ \to $$ R,
View Question
In a balanced binary search tree with n elements, what is the worst case time complexity of reporting all elements in ra
View Question
Consider the array representation of a binary min-heap containing 1023 elements. The minimum number of comparisons requi
View Question
What is the worst case time complexity of inserting n2 elements into an AVL-tree with n elements initially?
View Question
The preorder traversal of a binary search tree is 15, 10, 12, 11, 20, 18, 16, 19. Which one of the following is the post
View Question
What is the worst case time complexity of inserting n elements into an empty linked list, if the linked list needs to be
View Question
Consider a double hashing scheme in which the primary hash function is h1(k)=k mod 23, and the secondary hash function i
View Question
Consider the following C program. #include < stdio.h > int main () { int a [4] [5] = {{1, 2, 3, 4, 5},
View Question
Consider a schedule of transactions T1 and T2 : Here, RX stands for “Read(X)” and WX stands for “Write(X)”. Which one o
View Question
Consider a relational table R that is in 3NF, but not in BCNF. Which one of the following statements is TRUE?
View Question
Consider a database implemented using B+ tree for file indexing and installed on a disk drive with block size of 4 KB. T
View Question
Consider a relational database containing the following schemas. The primary key of each table is indicated by underlyi
View Question
Which one of the following is used to represent the supporting many-one relationships of a weak entity set in an entity-
View Question
Consider three registers R1, R2 and R3 that store numbers in IEEE-754 single precision floating point format. Assume tha
View Question
Consider the Boolean function z(a,b,c). Which one of the following minterm lists represents the circuit given above?
View Question
If there are m input lines and n output lines for a decoder that is used to uniquely address a byte addressable 1 KB RAM
View Question
A multiplexer is placed between a group of 32 registers and an accumulator to regulate data movement such that at any gi
View Question
Which one of the following predicate formulae is NOT logically valid? Note that W is a predicate formula without any fre
View Question
Let A and B be two n$$ \times $$n matrices over real numbers. Let rank(M) and det(M) denote the rank and determinant of
View Question
The number of permutations of the characters in LILAC so that no character appears in its original position, if the two
View Question
For n > 2, let a {0, 1}n be a non-zero vector. Suppose that x is chosen uniformly at random from {0, 1}n. Then, the p
View Question
Graph G is obtained by adding vertex s to K3,4 and making s adjacent to every vertex of K3,4. The minimum number of colo
View Question
Let G be a group of 35 elements. Then the largest possible size of a subgroup of G other than G itself is ______.
View Question
Consider the functions I. $${e^{ - x}}$$ II. $${x^2} - \sin x$$ III. $$\sqrt {{x^3} + 1} $$ Which of the above functions
View Question
Let R be the set of all binary relations on the set {1,2,3}. Suppose a relation is chosen from R at random. The probabil
View Question
Each of a set of n processes executes the following code using two semaphores a and b initialized to 1 and 0, respective
View Question
Consider the following five disk access requests of the form (request id, cylinder number) that are present in the disk
View Question
Consider the following set of processes, assumed to have arrived at time 0. Consider the CPU scheduling algorithms Short
View Question
Consider a paging system that uses a 1-level page table residing in main memory and a TLB for address translation. Each
View Question
Consider the following statements about process state transitions for a system using preemptive scheduling. I. A running
View Question
Consider allocation of memory to a new process. Assume that none of the existing holes in the memory will exactly fit th
View Question
Consider the following C functions. int tob(int b, int* arr) { int i; for (i=0; b>0; i++) { if (
View Question
Consider the following C functions. int fun1 (int n) { static int i = 0; if (n > 0) { ++i;
View Question
Consider the following languages. L1 = {wxyx | w, x, y ∈ (0 + 1)+} L2 = {xy | x, y ∈ (a + b)*, |x| = |y|, x ≠ y} Which o
View Question
Which of the following languages are undecidable? Note that $$\langle M\rangle $$ indicates encoding of the Turing machi
View Question
Consider the following language. L = {x $$ \in $$ {a, b}* | number of a’s in x is divisible by 2 but not divisible by 3}
View Question
Consider the following statements. I. If L1 $$ \cup $$ L2 is regular, then both L1 and L2 must be regular. II. The class
View Question
Which one of the following regular expressions represents the set of all binary strings with an odd number of 1’s?
View Question
Consider the language L = { $${a^n}|n \ge 0$$ } $$ \cup $$ { $${a^n}{b^n}|n \ge 0$$ } and the following statements. I. L
View Question

General Aptitude

The drawn of the 21st century witnessed the melting glaciers oscillating between giving too much and too little to billi
View Question
His knowledge of the subject was excellent but his classroom performance was ______.
View Question
Select the word that fits the analogy: Cook : Cook :: Fly : _____
View Question
There are multiple routes to reach from node 1 to node 2, as shown in the network. The cost of travel on an edge betwee
View Question
If P = 3, R = 27, T = 243, then Q + S = ______.
View Question
Goods and Services Tax (GST) is an indirect tax introduced in India in 2017 that is imposed on the supply of goods and s
View Question
Two straight lines are drawn perpendicular to each other in X-Y plane. If $$\alpha $$ and $$\beta $$ are the acute angle
View Question
The figure below shows an annular ring with outer and inner radii as b and a, respectively. The annular space has been p
View Question
The total revenue of a company during 2014-2018 is shown in the bar graph. If the total expenditure of the company in ea
View Question
Raman is confident of speaking English _____ six months as he has been practising regularly_____the last three weeks.
View Question
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12