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Objective Questions

Latest PGIMER Chandigarh Group B (Computer Programmer) Exam Question (Objective Questions), MCQ in English

Subjects : Computer Programmer

Question Bank PGIMER Chandigarh Group B (Computer Programmer) Exam - English
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Computer Programmer

Question 1Single Answer
Truth value of a proposition p ∧ ¬p is?
  1. ATrue
  2. BCannot be determined
  3. CSometimes True
  4. DFalse
Question 2Single Answer
Negation of “All humans are mortal” is?
  1. ASome humans are not mortal
  2. BAll humans are not mortal
  3. CNo human is mortal
  4. DSome humans are mortal
Question 3Single Answer
Which is a tautology?
  1. Ap ∧ ¬p
  2. Bp ∧ p
  3. Cp ∨ ¬p
  4. Dp → ¬p
Question 4Single Answer
Contrapositive of p → q is?
  1. Aq → p
  2. B¬p → ¬q
  3. C¬q → ¬p
  4. Dp → ¬q
Question 5Single Answer
A valid inference rule is?
  1. AFallacy
  2. BContradiction
  3. CParadox
  4. DModus Ponens
Question 6Single Answer
De Morgan’s law is?
  1. A¬(p ∧ q) = ¬p ∧ ¬q
  2. B¬(p ∨ q) = ¬p ∨ ¬q
  3. Cp ∧ q = p ∨ q
  4. D¬(p ∧ q) = ¬p ∨ ¬q
Question 7Single Answer
Disjunctive Normal Form (DNF) is?
  1. ASum of products
  2. BProduct of sums
  3. COnly AND form
  4. DOnly OR form
Question 8Single Answer
Conjunctive Normal Form (CNF) is?
  1. ASum of products
  2. BOnly NOT form
  3. COnly OR form
  4. DProduct of sums
Question 9Single Answer
A predicate becomes a proposition when?
  1. AIt has variables
  2. BIt has quantifiers
  3. CAll variables are assigned values
  4. DIt is negated
Question 10Single Answer
Universal quantifier symbol is?
  1. A∃
  2. B∈
  3. C∀
  4. D⊂
Question 11Single Answer
Existential quantifier means?
  1. AFor all
  2. BNone exists
  3. CThere exists
  4. DExactly one
Question 12Single Answer
Set A ∪ A equals?
  1. AØ
  2. BA
  3. CUniversal set
  4. DA'
Question 13Single Answer
Set A ∩ A equals?
  1. AØ
  2. BA'
  3. CUniversal set
  4. DA
Question 14Single Answer
A relation that is reflexive, symmetric, transitive is?
  1. APartial order
  2. BFunction
  3. CEquivalence relation
  4. DInjection
Question 15Single Answer
A partially ordered set must be?
  1. AReflexive, symmetric, transitive
  2. BSymmetric only
  3. CReflexive, antisymmetric, transitive
  4. DTransitive only
Question 16Single Answer
Number of subsets of a set with n elements is?
  1. An²
  2. B2n
  3. Cn!
  4. D2^n
Question 17Single Answer
Pigeonhole principle is used for?
  1. ASorting
  2. BSearching
  3. CCounting distribution
  4. DEncryption
Question 18Single Answer
Permutation formula is?
  1. AnCr
  2. Br!
  3. Cn!
  4. Dn!/(n−r)!
Question 19Single Answer
Combination formula is?
  1. An!/(n−r)!
  2. Bn!/(r!(n−r)!)
  3. Cn!
  4. Dr!
Question 20Single Answer
Probability of sure event is?
  1. A0
  2. B1
  3. C-1
  4. D1/2
Question 21Single Answer
Bayes theorem is used for?
  1. ASorting data
  2. BUpdating probability
  3. CGraph traversal
  4. DMatrix inversion
Question 22Single Answer
A group must have?
  1. AOnly closure
  2. BClosure, identity, inverse
  3. COnly identity
  4. DOnly inverse
Question 23Single Answer
A subgroup is?
  1. ASubset of group that is itself a group
  2. BNot a group
  3. CRandom subset
  4. DEmpty set
Question 24Single Answer
A semigroup has?
  1. AIdentity only
  2. BInverse only
  3. CAssociative operation
  4. DCommutativity only
Question 25Single Answer
Isomorphism preserves?
  1. AStructure
  2. BSize only
  3. CElements only
  4. DOrder only
Question 26Single Answer
Homomorphism preserves?
  1. AOnly elements
  2. BOperation structure
  3. COnly identity
  4. DOnly inverse
Question 27Single Answer
A ring has?
  1. AOne operation
  2. BThree operations
  3. CTwo operations
  4. DNo operation
Question 28Single Answer
A field is?
  1. AOnly additive group
  2. BSemigroup
  3. CCommutative division ring
  4. DMonoid
Question 29Single Answer
Graph with no loops and no multiple edges is?
  1. AMultigraph
  2. BDirected graph
  3. CSimple graph
  4. DWeighted graph
Question 30Single Answer
Eulerian circuit exists if graph is?
  1. AAll vertices odd degree
  2. BDisconnected
  3. CAll vertices even degree
  4. DTree
Question 31Single Answer
Hamiltonian path visits?
  1. AEdges only once
  2. BVertices exactly once
  3. CEdges twice
  4. DNo vertices
Question 32Single Answer
Shortest path algorithm is?
  1. ADFS
  2. BBFS
  3. CDijkstra
  4. DPrim
Question 33Single Answer
A tree is?
  1. ACyclic graph
  2. BDisconnected graph
  3. CConnected acyclic graph
  4. DWeighted graph
Question 34Single Answer
Number of edges in tree with n nodes is?
  1. An
  2. Bn−1
  3. Cn+1
  4. D2n
Question 35Single Answer
Bipartite graph has?
  1. ATwo disjoint sets
  2. BOne set
  3. CThree sets
  4. DNo vertices
Question 36Single Answer
Graph coloring is used for?
  1. AEncryption
  2. BScheduling
  3. CSorting
  4. DSearching
Question 37Single Answer
Boolean algebra uses values?
  1. A0 and 2
  2. B-1 and 1
  3. C0 and 1
  4. DAny integer
Question 38Single Answer
Boolean identity: A + 0 = ?
  1. AA
  2. B0
  3. C1
  4. DA'
Question 39Single Answer
Boolean identity: A · 1 = ?
  1. AA
  2. B0
  3. C1
  4. DA'
Question 40Single Answer
Distributive law is?
  1. AA + (B·C) = (A+B)(A+C)
  2. BBoth a and b
  3. CA·(B+C) = A·B + A·C
  4. DNone
Question 41Single Answer
Linear programming objective is?
  1. ANon-linear function
  2. BInteger only
  3. CRandom function
  4. DLinear function optimization
Question 42Single Answer
Simplex method is used for?
  1. AGraph coloring
  2. BLP problems
  3. CSorting
  4. DSearching
Question 43Single Answer
Dual of LP is?
  1. ASame problem
  2. BInteger problem
  3. CNon-linear problem
  4. DTransformed LP problem
Question 44Single Answer
Feasible solution satisfies?
  1. AConstraints
  2. BObjective only
  3. CRandom values
  4. DNo condition
Question 45Single Answer
PERT stands for?
  1. AProgram Evaluation Review Technique
  2. BProject Execution Routing Tool
  3. CProcess Estimation Routing Theory
  4. DNone
Question 46Single Answer
CPM is used for?
  1. ADatabase design
  2. BSorting
  3. CProject scheduling
  4. DEncryption
Question 47Single Answer
Critical path is?
  1. ALongest duration path
  2. BShortest path
  3. CRandom path
  4. DCyclic path
Question 48Single Answer
Spanning tree contains?
  1. AAll vertices minimal edges
  2. BAll edges
  3. CNo edges
  4. DCycles
Question 49Single Answer
Cut-set is used for?
  1. AIncreasing flow
  2. BColoring
  3. CDisconnecting graph
  4. DSorting
Question 50Single Answer
Inclusion-Exclusion principle is used in?
  1. ACounting overlapping sets
  2. BLogic simplification
  3. CGraph coloring
  4. DSorting
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