Description : What is the normal order of activities in which software testing is organized? (A) unit, integration, system, validation (B) system, integration, unit, validation (C) unit, integration, validation, system (D) none of the above
Last Answer : (A) unit, integration, system, validation
Description : What are the three generic phases of software engineering? (A) Definition, development, support (B) What, how, where (C) Programming, debugging, maintenance (D) Analysis, design, testing
Last Answer : (A) Definition, development, support
Description : What is reverse engineering?
Last Answer : Ans. It is a process of analysing software with a view to understanding its design and specification. - In reverse engineering, source code and executable code are the input. - It may be part of a ... to : - Serves as input to SRS for program replacement. - Be available to help program maintenance.
Description : All the modules of the system are integrated and tested as complete system in the case of (A) Bottom up testing (B) Top-down testing (C) Sandwich testing (D) Big-Bang testing
Last Answer : (D) Big-Bang testing
Description : Distinguish software faults and software failures
Last Answer : Ans: In case of a failure, the software does not do what the user expects. A fault is a programming error that may or may not actually manifest as a failure. A fault can also be ... software is ported to a different hardware platform or a different compiler, or when the software gets extended.
Description : Spiral model is a realistic approach to the development of large-scale systems & software. Justify & explain the model?
Last Answer : Ans. There are several advantages of Spiral model that makes it a realistic approach to development of large-scale systems and software, viz: 1) The spiral model promotes quality assurance ... , which can help in identifying and resolving potential problems or errors in the software development.
Description : Explain the concept of bottom-up, top-down and hybrid design.
Last Answer : Ans: Bottom up design:This approach leads to a style of design where we decide how to combine these modules to provide larger ones; to combine those to provide even larger ones, ... approaches are often not practical therefore hybrid approach which combines the above two approaches is often used.
Description : Explain various Object Oriented concepts used in Software Engineering. Give an example.
Last Answer : Ans .Various concepts of Object Oriented concepts used in Software Engineering: Object:- An object is something which is capable of being seen, touched or sensed. Each object has certain distinctions ... . A message can be sent between two objects only if they have an association between them.
Description : The ISO quality assurance standard that applies to software engineering is (A) ISO 9000 (B) ISO 9001 (C) ISO 9002 (D) ISO 9003
Last Answer : (B) ISO 9001
Description : Which of the following is not an attribute of software engineering (A) Efficiency. (B) Scalability. (C) Dependability. (D) Usability.
Last Answer : (C) Dependability.
Description : Which of the items listed below is not one of the software engineering layers? (A) Process (B) Manufacturing (C) Methods (D) Tools
Last Answer : (B) Manufacturing
Description : Which is not a step of requirement engineering? (A) Requirements elicitation (B) Requirements analysis (C) Requirements design (D) Requirements documentation
Last Answer : (C) Requirements design
Description : CASE Tool is (A) Computer Aided Software Engineering (B) Component Aided Software Engineering (C) Constructive Aided Software Engineering (D) Computer Analysis Software Engineering
Last Answer : (A) Computer Aided Software Engineering
Description : Which one of the following statements, related to the requirements phase in Software Engineering, is incorrect ? (A) Requirement validation is one of the activities in the requirements phase. (B) ... . (D) Function points is one of the most commonly used size metric for requirements.
Last Answer : (C) “Modelling-oriented approach” is one of the methods for specifying the functional specifications.
Description : Explain various types of static and dynamic testing tools.
Last Answer : Ans. Static testing tools: 1. Static analysers A static analyser operates from a pre-computed database of descriptive information derived from the source text of the program. The idea of a static ... for documenting that the tests have been done and that no defects were found during the process.
Description : How is cyclomatic complexity useful in program test? What is sequence of testing? What is testability?
Last Answer : Ans. Cyclomatic complexity measures the amount of decision logic in a single software module. It is used for two related purposes in the structured testing methodology. First, it gives the number of ... a lack of testability may hinder testing parts of the software or software requirements at all.
Description : Explain acceptance testing and beta testing.
Last Answer : Ans. Acceptance Testing and Beta testing:System tests are designed to validate a fully developed system to assure that it meets its requirements. Acceptance and beta testing are form of system ... testing performed by the cutomer to determine whether he should accept the delivery of the system.
Description : What are dynamic testing tools? Explain the functions that they must support.
Last Answer : Ans. Dynamic testing tools: 1: coverage analyzers (execution verifiers): A coverage analyzer is the most common and important tool for testing. It is often relatively simple. One of the common ... tester to plan tests so they are both efficient and also effective at forcing discovery of defects.
Description : Describe system testing.
Last Answer : Ans. System testing: System test are designed to validate a fully developed systems with a view to assuring that it meets its requirements. There are three types of system testing: Alpha testing: This ... is performed by the customer to determine whether or not to accept the delivery of the system.
Description : Explain the following: (i) Equivalence class testing. (ii) User and System documentation with examples. (iii) Core dumps.
Last Answer : Ans: (i) Equivalence class testing is based on partitioning the input domain of a program into a number of equivalence classes so that the test of a representative value of each ... indiscriminately. Sometimes it is difficult to interpret the dump which is represented using hexadecimal numbers.
Description : Explain some of the limitations of testing.
Last Answer : Ans: Though testing is an important part of system development and leads to a valid, verified and efficient system, it also faces some limitation in its scope. Following are some of such limitations. ... to a complete re- development of the module under testing and hence putting all effects in vain.
Description : Differentiate between functional testing and structural testing.
Last Answer : Ans:Functional testing means behavioural testing or Black box testing. In this techniques, tester design test case with the behaviour of the modules. Structural testing means White Box testing. In this testing, tester design test cases from the structure of the module.
Description : Define software testing. Explain various level of testing .
Last Answer : Ans: Software testing is a process used to help identify the correctness, completeness and quality of developed computer software. With that in mind, testing can never completely establish the ... various level of testing are : Unit Testing Integrating testing Validation testing System testing
Description : Units and stubs are not needed for unit testing because the modules are tested independently of one another (A) True (B) False
Last Answer : (A) True
Description : Site for Alpha Testing is (A) Software Company (B) Installation place (C) Any where (D) None of the above
Last Answer : (A) Software Company
Description : Which phase is not available in software life cycle? (A) Coding (B) Testing (C) Maintenance (D) Abstraction
Last Answer : (D) Abstraction
Description : The testing that focuses on the variables is called (A) black box testing (B) white box testing (C) data variable testing (D) data flow testing
Last Answer : (A) black box testing
Description : The main purpose of integration testing is to find (A) design errors (B) analysis errors (C) procedure errors (D) interface errors
Last Answer : (D) interface errors
Description : Alpha and Beta Testing are forms of (A) Acceptance testing (B) Integration testing (C) System Testing (D) Unit testing
Last Answer : (A) Acceptance testing
Description : Output comparators are used in (A) static testing of single module (B) dynamic testing of single module (C) static testing of single and multiple module (D) dynamic testing of single and multiple module
Last Answer : (D) dynamic testing of single and multiple module
Description : SRS is also known as specification of (A) White box testing (B) Stress testing (C) Integrated testing (D) Black box testing
Last Answer : (D) Black box testing
Description : A fault simulation testing technique is (A) Mutation testing (B) Stress testing (C) Black box testing (D) White box testing
Last Answer : (A) Mutation testing
Description : One of the fault base testing techniques is (A) unit testing. (B) beta testing. (C) Stress testing. (D) mutation testing.
Last Answer : (D) mutation testing.
Description : IEEE 830-1993 is a IEEE recommended standard for (A) Software requirement specification. (B) Software design. (C) Testing. (D) Both (A) and (B)
Last Answer : (A) Software requirement specification.
Description : Which testing is an integration testing approach that is commonly used when “shrink-wrapped” software products are being developed? a) Regression Testing b) Integration testing c) Smoke testing d) Validation testing
Last Answer : Ans : c
Description : Explain the development phases of the detailed COCOMO model.
Last Answer : Ans A software development is carried out in four successive phases, which are as follows: 1: plan/requirements: this is the first phase of the development cycle. The requirement is analyzed, the product ... product. This requires 16% to 34% of normal effort and 18% to 34% of the development time.
Description : How does the risk factor affect the spiral model of software development?
Last Answer : Ans:Risk Analysis phase is the most important part of "Spiral Model". In this phase all possible (and available) alternatives, which can help in developing a cost effective project are analyzed ... data and find out possible solution in order to deal with the potential changes in the requirements.
Description : What is the advantage of using prototype software development model instead of waterfall model? Also explain the effect of defining a prototype on the overall cost of the software project?
Last Answer : Ans:The waterfall model: This is the classic SDLC model, with a linear and sequential method that has goals for each development phase. The waterfall model simplifies task scheduling, because ... acceptable prototype is finally achieved from which the complete system or product can now be developed.
Description : The spiral model of software development (A) Ends with the delivery of the software product (B) Is more chaotic than the incremental model (C) Includes project risks evaluation during each iteration (D) All of the above
Last Answer : (C) Includes project risks evaluation during each iteration
Description : The model that assumes that effort and development time are functions of product size alone is (A) Basic COCOMO model (B) Intermediate COCOMO model (C) Detailed COCOMO model (D) All the three COCOMO models
Last Answer : (A) Basic COCOMO model
Description : The tools that support different stages of software development life cycle are called: (A) CASE Tools (B) CAME tools (C) CAQE tools (D) CARE tools
Last Answer : (A) CASE Tools
Description : The model in which the requirements are implemented by category is (A) Evolutionary Development Model (B) Waterfall Model (C) Prototyping (D) Iterative Enhancement Model
Last Answer : (A) Evolutionary Development Model
Description : ___________ includes the identification, recovery, investigation, validation and presentation of facts regarding digital evidence found on computer and similar storage media devices. a. Analog forensic b. Digital forensic c. Cyber forensic
Last Answer : b. Digital forensic
Description : Which of the following is not a type of incremental testing approach? a) Top down b) Big-bang c) Bottom up d) Functional incrementation.
Last Answer : b) Big-bang
Description : Which of the following are facts about a top-down software testing approach? I. Top-down testing typically requires the tester to build method stubs. II. Top-down testing typically requires the tester to build test drivers. (1) only I (2) Only II (3) Both I and II (4) Neither I nor II
Last Answer : (1) only I
Description : Software project planning entails what activities? What are the difficulties faced in measuring the Software Costs?
Last Answer : Ans. Software project planning entails the following activities: Estimation: o -Effort, cost, resource, and project duration Project scheduling: Staff organization: o -staffing ... actual specifications of the system hence cost estimations based on uncertain information cannot be accurate.
Description : Draw the flow chart of Risk Management-Activity and explain various Software risks.
Last Answer : Ans RISK is a problem that could cause some loss or threatens the success of the project, but which has not happened yet. Typical Software Risks:- 1. Dependencies: -Many ... Inadequate application domain experience. New technologies. Ineffective, poorly documented, or neglected processes.
Description : What specific languages can be used in SRS? What are the advantages of using these specific languages of SRS?
Last Answer : Ans. Requirement specification necessitates the use of some specification language. The language should support the desired qualities of the SRS- modifiability, understandability, unambiguous, and so forth. ... formally specify the behavior of a system on different combination of input or settings.
Description : What is Data Dictionary? Explain each component?
Last Answer : Ans Data dictionary is a storehouse of data giving information about data. It is a list of terms and their definition for all data items and data files of a system. A data dictionary contains ... Data Stores- data Flows are data structures in motion whereas data stores are data structures at rest.