Computer science related questions and answers
Q. Distinguish between the following: (i) Syntactic error and semantic error (ii) Run time error and logical error (iii) Compiler and Interpreter Ans:(i)Syntactic error and semantic error Syntactic errors also known as compilation errors are caused by violation of the grammar rules of the language. The compiler detects, isolate these errors and give terminate the…
1) Which one of these belongs to integration testing in the OO context? a. Unit testing b. Regression testing c. Sandwich testing d. Thread-based testing ANSWER: Thread-based testing 2) In which elicitation process the developers discuss with the client and end users and know their expectations from the software? a. Requirement gathering b. Organizing requirements…
1) Which document is created by system analyst after the requirements are collected from Various stakeholders? a. Software requirement specification b. Software requirement validation c. Feasibility study d. Requirement Gathering ANSWER: Software requirement specification 2) Which is focused towards the goal of the organization? a. Feasibility study b. Requirement gathering c. Software requirement specification d….
1) From the following, which software has been characterized by ΓÇÿNumber CrunchingΓÇÖ Algorithms? a. System software b. Artificial intelligence software c. Embedded software d. Engineering and scientific software ANSWER: Engineering and scientific software 2) IEEE provides a standard as IEEE 830-1993. For which activity this standard is recommended standard? a. Software requirement specification. b. Software…
1) Which of these software characteristics are used to determine the scope of a software project? a. Only performance. b. Only context. c. Information objectives, function, performance d. None of the above. ANSWER: Information objectives, function, performance 2) Which level of sub-system is used of an application? a. Application level b. Component level c. Modules…
1) Which of the following is/are considered stakeholder in the software process? a. Customers b. End-users c. Project managers d. All of the above. ANSWER: All of the above. 2) Software components provide interfaces, which can be used to establish communication among different components. a. Yes b. No ANSWER: Yes 3) Which SDLC activity does…
1. What are the characteristics of software? a. Software is developed or engineered; it is not manufactured in the classical sense. b. Software doesnΓÇÖt ΓÇ£ wear out ΓÇ¥. c. Software can be custom built or custom build. d. All mentioned above ANSWER: All mentioned above 2. Compilers, Editors software come under which type of software?…
1. Actual programming of software code is done during the …………… step in the SDLC. Ans. Development and Documentation 2. Enhancements, upgrades, and bug fixes are done during the …………… step in the SDLC. Ans. Maintenance and Evaluation 3. The ……………determines whether the project should go forward. Ans. feasibility assessment 4. Technical writers generally provide…
Introduction to Classes and Methods 1) Which is used to get the value of the instance variables? Ans: Dot notation. 2) The new operator creates a single instance named class and returns a reference to that object. a)True b)False Ans: a. 3) A class is a template for…
String Handling 1) Which package does define String and StringBuffer classes? Ans : java.lang package. 2) Which method can be used to obtain the length of the String? Ans : length( ) method. 3) How do you concatenate Strings? Ans : By using ” + ” operator. 4)…