Software Engineering MCQs Archives

1591. Which design pattern defines one-to-many dependency among objects ?

A. Singleton pattern

B. Facade Pattern

C. Observer pattern

D. Factory method pattern

✅ The correct answer is option C.
Explanation: Observer pattern defines one-to-many dependency among objects so that when one object changes its state, all its dependents are notified.

1592. What command is used to sort the lines of data in a file in alphabetical order ?

A. sort – r

B. st

C. sh

D. sort

✅ The correct answer is option D.

1593. Identify the correct option with reference to Software Quality Metrics ?

A. Integrity = [Sigma(1 – threat)] * (1 – security)

B. Integrity = [1 – Sigma(threat)] * (1 – security)

C. Integrity = [1 – threat * Sigma(1 – security)]

D. Integrity = Sigma[1 – threat * (1 – security)]

✅ The correct answer is option D.

1594. Statement and branch coverage metrics are part of______________________?

A. Analysis Model

B. Testing

C. Design Model

D. Source Code

✅ The correct answer is option B.
Explanation: These metrics lead to the design of test cases that provide program coverage.

1595. Which of the following is not a type of a 4GL? One originating _________________?

A. on Lisp machine

B. on report generators

C. from database query languages

D. from GUI creators

✅ The correct answer is option A.
Explanation: Fifth-generation programming language are built on LISP.

1596. Suppose a class has public visibility. In this class we define a protected method. Which of the following statements is correct ?

A. From within protected methods you do not have access to public methods.

B. This method is only accessible from inside the class itself and from inside all subclasses.

C. In a class, you cannot declare methods with a lower visibility than the visibility of the class in which it is defined.

D. This method is accessible from within the class itself and from within all classes defined in the same package as the class itself.

✅ The correct answer is option D.

1597. The proper definition of a modern digital computer is_____________________?

A. an electronic automated machine that can solve problems involving words and numbers

B. a more sophisticated and modified electronic pocket calculator

C. any machine that can perform mathematical operations

D. a machine that works on binary code

✅ The correct answer is option A.

1598. In analog computer_______________________?

A. Input is never converted to digital form

B. Input is first converted to digital form

C. Output is displayed in digital form

D. All of the above

✅ The correct answer is option A.

1599. Which command is used to terminate all processes in your own system except the login shell ?

A. kill 1

B. kill 0

C. cancel all

D. cancel 1

✅ The correct answer is option B.

1600. Main memory works in conjuction with_______________________?

A. special function cards

B. RAM

C. CPU

D. Intel

✅ The correct answer is option C.