PGT Computer Science (Level-3), (HTET Practice MCQs) (Part-III)Total Questions: 10091. Water fall model for software development is:A. a top down approachB. a bottom up approachC. a sequential approachD. a consequential approachCorrect Answer: C. a sequential approach92. In software development, value adjustment factors include the following among others:A. the criticality of the performance and reusability of the codeB. number of lines of code in the softwareC. number of technical manpower and hardware costsD. time period available and the level of user friendlinessCorrect Answer: A. the criticality of the performance and reusability of the code93. While designing the user interface, one should:A. use as many short cuts as possibleB. use as many defaults as possibleC. use as many visual layouts as possibleD. reduce the demand on short-term memoryCorrect Answer: D. reduce the demand on short-term memory94. In software cost estimation, base estimation is related to:A. cost of similar projects already completedB. cost of the base model of the present projectC. cost of the project with the base minimum profitD. cost of the project under ideal situationsCorrect Answer: A. cost of similar projects already completed95. In clean room software engineering:A. only eco-friendly hardware is usedB. only hired facilities are used for developmentC. correctness of the code is verified before testingD. implementation is done only after ensuring correctnessCorrect Answer: D. implementation is done only after ensuring correctness96. Amdahl's law states that the maximum speedup S achievable by a parallel computer with 'p'processors is given by:D. S ≤ 1/[1 - f + f/p]A. S ≤ f + (1-f)/pB. S ≤ f/p + (1- f)C. S ≤ 1/[f + (1- f)/p]Correct Answer: D. S ≤ 1/[1 - f + f/p]97. With reference to cluster analysis in data mining, a distance measure that is NOT used is:A. Euclidean distanceB. Manhattan distanceC. Chebychev's distanceD. Lee distanceCorrect Answer: A. Euclidean distance98. In a mobile communication system, a geographic region is divided into cells. For each frequency set, there is a buffer ___________ wide where that frequency is not used.A. one-cellB. two-cellsC. three-cellsD. four-cellsCorrect Answer: B. two-cells99. Identify the incorrect statement:A. The overall strategy drives the e-commerce data warehousing strategyB. Data warehousing in an e-commerce environment should be done in a classical mannerC. E-commerce opens up an entirely new world of web serversD. E-commerce security threats can be grouped into three major categories.Correct Answer: C. E-commerce opens up an entirely new world of web servers100. Identify the incorrect statement:A. The ATM adaptation layer is not service dependentB. Logical connections in ATM are referred to as virtual channel connections.C. ATM is a streamlined protocol with minimal error and flow control capabilitiesD. ATM is also known as cell relayCorrect Answer: A. The ATM adaptation layer is not service dependentSubmit Quiz« Previous12345678910
