This Quiz Test include all the MCQS Related to Computer and IT with Solved Answers from past papers of PPSC, FPSC, NTS, SPSC, KPSC, and BPSC. Every Quiz has 20 MCQS and Every MCQS have four options. Select the Correct Answer Right Answer Shows Green And Wrong Will Show as Red.
#1. Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set.
#2. Which one of the following is not a phase of Prototyping Model?
#3. What is the major drawback of using RAD Model?
#4. Which model can be selected if user is involved in all the phases of SDLC?
#5. The term _______ is used to refer to a row.
#6. A ________ in a table represents a relationship among a set of values.
#7. Which forms has a relation that possesses data about an individual entity:
#8. The lexical analyzer takes_________as input and produces a stream of_______as output.
#9. Designers use which of the following to tune performance of systems to support time-critical operations?
#10. SDLC stands for
#11. Parsing is also known as
#12. The term attribute refers to a ___________ of a table.
#13. For each attribute of a relation, there is a set of permitted values,________ of that attribute. called the
#14. In which of the following , a separate schema is created consistin and the primary key of the entity set.g of that attribute
#15. Which forms are based on the concept of functional dependency:
#16. 35. Which one of the following models is not suitable for accommodating any change?
#17. What is the best way to represent the attributes in a large database?
#18. _____________ can help us detect poor E-R design.
#19. RAD Model has
#20. A relational database consists of a collection of