A Level Computer Science Quiz 2015 Part 3

Quiz Description

Computer science is a vast field encompassing various aspects related to computers. It empowers and educates students about multiple relevant topics like cybersecurity AI, ML and data science. It has open lucrative Job opportunities spread across various industries.

Computer science being one of the best subjects in the field of studies, however has its own share of problems to give to students. Some of this problem may include panic attacks in the examination and memory block. Solving quizzes is one of the many ways students can use to overcome such challenges

We have carefully prepared a quiz of 20 questions, that comprises the topics data structures, software, information system. Each of the questions has four possible answers and among them, only one is correct.For more of the click, click on more or visit our website to gain more quizzes and material for examinations

Which of the following schemes do we define a view of views of the database for particular users?

Correct
• Internal schema
• Conceptual schema
• Physical schema
• External schema

Which of the following terms refers to the corrections and completion of the data in a database?

Correct
• Data model
• Data comprehension
• Data independency
• Data integrity

To accept 10 different values into an arra we require a(n)

Correct
• Loop
• If condition
• Input function
• Structure

A pointer

Correct
• Holds the value f a variable
• Holds the address of a variable
• Holds the value and address of a variable
• Is always null

A data structure whose elements form a sequence is known as:

Correct
• Non-linear data structure
• Linear data structure
• Homogenous data structure
• Heterogenous data structure

The in order transversal of a tree will yield a sorted listing of elements of the tree in

Correct
• Binary trees
• Binary search trees
• Heaps
• Forest trees

The operation of processing each element in a list is known as

Correct
• Sorting
• Merging
• Inserting
• Transversal

The statement that transfers control to the beginning of the loop is called

Correct
• Break statement
• Exit statement
• Continue statement
• Go to statement

Which one of the following is a physical data structure?

Correct
• Array
• Stack
• Queue

The _____ statement causes immediate exit from the loop overriding on the condition test

Correct
• Exit
• Break
• Go to
• Continue

The coordinated effort to communicate the information of a system in written form is called:

Correct
• System documentation
• System design documentation
• Information system documentation
• System sharing documentation

Waterfall model is a

Correct
• Linear model
• Iterative model
• Rapid model
• Interactive model

Prototyping is used to

Correct
• Test software as an end product
• Expand design details
• Refine and establish requirements gathering
• System storage

The reliability of software is defined with respect to

Correct
• Time
• Speed
• Quality
• Efficiency

Acceptance testing is done by

Correct
• A developer
• Customers
• Designer
• An analyst

Some of the activities of a system analyst are;

Correct
• Review of documentation and observation of situations
• Conducting interview and questionnaires administration
• Both A and B
• Review of procedure on conducting interviews

Top down approach is used for

Correct
• System development
• Identification of faults
• System validation
• Functional testing

Reliability of software is usually estimated at the;

Correct
• Analysis phase
• Design phase
• Phase specification
• Testing phase

Software engineering primarily aims at

Correct
• Reliable software
• Cost effective software
• Reliable and cost effective software
• Maintainable software

A feasibility study should focus on

Correct
• Technical feasibility
• Economical feasibility
• Operational feasibility
• All of the above