List of top Computer Science and IT Engineering Questions

Which software process model is most appropriate for projects with poorly defined requirements that are expected to evolve significantly over time?
In a relational schema, a "Foreign Key" is used to enforce:
Software coupling is a measure of the degree of interdependence between modules. Which of the following is the most desirable (best) type of coupling?
Cohesion is a measure of how strongly related the functions within a single module are. Which level of cohesion is considered the most desirable?
Which of the following statement about a Data Flow Diagram (DFD) is true?
During software development, the implementation phase focuses on transforming system design into an executable system. Select the activity that belongs to this phase?
A software application has been in use for two years. Users report that some features are not working as expected, and there are minor bugs that need fixing. The development team also wants to add a new reporting feature based on recent user requests. Which type(s) of software maintenance does this scenario involve?
The "Cyclomatic Complexity" of a software module is primarily used to estimate:
A software project follows a spiral model for development. Which of the following statements is true about the spiral model compared to the traditional waterfall model?
Software testing plays a crucial role in ensuring reliability and correctness at different stages of development. Select the statement that correctly represents this role?
What is the primary difference between a B-tree and a B+ tree?
Which of the following is a conflict-serializable schedule?
Two transactions execute concurrently, but their results are the same as if they were executed one after another. This property is called?
A file is stored such that records are placed in no particular order, and searching requires scanning the entire file. This organization is known as?
A development team conducts interviews, observations, and questionnaires before starting system design. The goal is to understand user expectations, constraints, and workflows. This activity primarily supports?
Software project management involves multiple activities carried out throughout the project lifecycle, including planning, execution, and post-delivery support. Select the statement that correctly reflects this concept?
A relation $R(A, B, C)$ has the following functional dependencies:
$A \to B, B \to C$
If attribute $A$ is known, the value of $C$ can be determined due to:
Which of the following relational algebra operations is equivalent to a Cartesian product followed by a selection (sigma)?
A relation R is in 3NF if every non-prime attribute of R is:
A database designer is refining a relation that has a composite primary key. Some non-key attributes depend only on part of this key, leading to redundancy. Removing such dependencies ensures the relation satisfies a higher normal form. The correct statement describing this transformation is _______.
Which of the following is a solution to the "Critical Section Problem" that satisfies mutual exclusion, progress, and bounded waiting?
What is the main purpose of a Translation Lookaside Buffer (TLB)?
Which of the following transitions is NOT possible in a standard process state transition diagram?
Consider the following C function:
int fun(int n){
if (n == 0) return 0;
else return n + fun(n - 1);
}
What does the function fun(4) return?
Three processes arrive at time 0 with burst times 5, 3, and 1 unit respectively. The scheduler always selects the process with the smallest burst time next. The order of execution will be?