Ans. External variables are declared outside all functions,i.e. in the beginning of the program file. As all the functions will be defined after these variables declarations , so these variables are visible to all functions in a program file .
Certainly! Below is a set of objective questions (with multiple-choice answers) for each unit of the BCA-403 Software Engineering course.
UNIT-I: Software Engineering: Definition and Paradigms, A Generic View of Software Engineering What does software engineering focus on? A) Hardware design B) Network configuration C) Systematic development and maintenance of software D) Graphic design Answer: C Which model is also known as the linear-sequential model? A) Agile Model B) Waterfall Model C) Spiral Model D) V-Model Answer: B What is a software process model? A) A way to create hardware B) A standard way to represent the software life cycle C) A method for testing software D) A tool for compiling code Answer: B Which of the following is not a software engineering paradigm? A) Agile Model B) Prototyping Model C) Spiral Model D) Hardware Model Answer: D What is the first phase in the Waterfall Model? A) Design B) Testing C) Implementation D) Requirements Analysis Answer: D What is the primary goal of software engineering? A) To produce hardware components B) To produce high-quality software within budget and on time C) T...
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