(A) Improved productivity of software engineers (X)
(B) Reduction in software development time ()
(C) 4GT helped by CASE tools and code generators offers a credible solution to many software problems (X)
(D) None of the mentioned (X)
Answers: What is a major advantage of using a 4GT Model for producing small scale products, applications or programs Reduction in software development time.
(A) 1, 4, 3, 2 (X)
(B) 1, 3, 4, 2 (X)
(C)4, 3, 1, 2 (X)
(D) 4, 1, 3, 2 ()
Answers: Arrange the following activities for making a software product using 4GT. i. Design strategy ii. Transformation into product iii. Implementation iv. Requirement gathering 4, 1, 3, 2.
(A) SQL ()
(B) PROLOG (X)
(C) C (X)
(D) JAVA (X)
Answers; Which of the following 4GLs invented at IBM and subsequently adopted by ANSI and ISO as the standard language for managing structured data SQL.
(A) Sand (X)
(B) Magnesium silicate (X)
(C) Calcium silicate ()
(D) Iron pyrite (X)
Answers: Blast furnace slag is mainly molten Calcium silicate .
(A) Sulphur stick, which on detection gives white smoke ()
(B) Using chemical reagents (X)
(C) Its smell (X)
(D) Soap solution (X)
Answers: Ammomia leakage in the refrigeration system is detected by Sulphur stick which on detection given white smoke.
(A) Emissivity of pipe surface (X)
(B) Diameter & length of the pipe (X)
(C) Temperature of hot pipe surface & that of air in the room (X)
(D) None of these ()
Answers: Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in room without fans none of these.