February 29, 2024

Database-Management-System

Question 358 Let R = (A, B, C, D, E, F) be a relation schema with the following dependencies: C → F,E → A, EC → […]
March 2, 2024

GATE 1995

Question 3 In a vectored interrupt A the branch address is assigned to a fixed location in memory B the interrupt source supplies the branch information […]
March 3, 2024

ISO-OSI-layers

Question 1 The major functions of the presentation layer in OSI stack are : A Dialog presentation and control B Dealing with differences in data representation, […]
March 4, 2024

Question 6958 – LPP

Consider the following transportation problem: The transportation cost in the initial basic feasible solution of the above transportation problem using Vogel’s Approximation method is: Correct Answer: […]
March 4, 2024

LPP

Question 2 Consider the following linear programming problem : Max. z = 0.50 x2 – 0.10x1 Subject to the constraints 2x1 + 5x2 < 80 x1 […]
March 5, 2024

Operating-Systems

Question 14 A memory page containing a heavily used variable that was initialized very early and is in constant use is removed when A LRU page replacement […]
March 6, 2024

Data-Communication

Question 13 Which interim standard describes inter-switching networking ? A IS – 54 B IS – 95 C DS – 45 D ANSI – 41 Data-CommunicationCellular-NetworksUGC […]
March 6, 2024

Signals

Question 6 The _____ measures the relative strengths of two signals or a signal at two different points A frequency B decibel C Attenuation D throughput […]
March 6, 2024

Database-Management-System

Question 9 State True or False with reason There is always a decomposition into Boyce-Codd normal form (BCNF) that is lossless and dependency preserving. A True […]
March 6, 2024

Database-Management-System

Question 12 An instance of a relational scheme R(A, B, C) has distinct values for attribute A. Can you conclude that A is a candidate key […]
March 6, 2024

Database-Management-System

Question 10 State True or False with reason Logical data independence is easier to achieve than physical data independence A True B False Database-Management-SystemGeneralGATE 1994 Question […]
March 6, 2024

Question 7898 – GATE 2017 [Set-1]

Consider the first-order logic sentence F: ∀x(∃yR(x,y)). Assuming non-empty logical domains, which of the sentences below are implied by F? I. ∃y(∃xR(x,y)) II. ∃y(∀xR(x,y)) III. ∀y(∃xR(x,y)) […]