A Level Computer Science Quiz 2015 Part 3

20 Questions

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

1:

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


Correct
  • 1:
    Internal schema
  • 2:
    Conceptual schema
  • 3:
    Physical schema
  • 4:
    External schema
2:

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


Correct
  • 1:
    Data model
  • 2:
    Data comprehension
  • 3:
    Data independency
  • 4:
    Data integrity
3:

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


Correct
  • 1:
    Loop
  • 2:
    If condition
  • 3:
    Input function
  • 4:
    Structure
4:

A pointer


Correct
  • 1:
    Holds the value f a variable
  • 2:
    Holds the address of a variable
  • 3:
    Holds the value and address of a variable
  • 4:
    Is always null
5:

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


Correct
  • 1:
    Non-linear data structure
  • 2:
    Linear data structure
  • 3:
    Homogenous data structure
  • 4:
    Heterogenous data structure
6:

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


Correct
  • 1:
    Binary trees
  • 2:
    Binary search trees
  • 3:
    Heaps
  • 4:
    Forest trees
7:

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


Correct
  • 1:
    Sorting
  • 2:
    Merging
  • 3:
    Inserting
  • 4:
    Transversal
8:

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


Correct
  • 1:
    Break statement
  • 2:
    Exit statement
  • 3:
    Continue statement
  • 4:
    Go to statement
9:

Which one of the following is a physical data structure?


Correct
  • 1:
    Array
  • 2:
    Linked list
  • 3:
    Stack
  • 4:
    Queue
10:

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


Correct
  • 1:
    Exit
  • 2:
    Break
  • 3:
    Go to
  • 4:
    Continue
11:

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


Correct
  • 1:
    System documentation
  • 2:
    System design documentation
  • 3:
    Information system documentation
  • 4:
    System sharing documentation
12:

Waterfall model is a


Correct
  • 1:
    Linear model
  • 2:
    Iterative model
  • 3:
    Rapid model
  • 4:
    Interactive model
13:

Prototyping is used to


Correct
  • 1:
    Test software as an end product
  • 2:
    Expand design details
  • 3:
    Refine and establish requirements gathering
  • 4:
    System storage
14:

The reliability of software is defined with respect to


Correct
  • 1:
    Time
  • 2:
    Speed
  • 3:
    Quality
  • 4:
    Efficiency
15:

Acceptance testing is done by


Correct
  • 1:
    A developer
  • 2:
    Customers
  • 3:
    Designer
  • 4:
    An analyst
16:

Some of the activities of a system analyst are;


Correct
  • 1:
    Review of documentation and observation of situations
  • 2:
    Conducting interview and questionnaires administration
  • 3:
    Both A and B
  • 4:
    Review of procedure on conducting interviews
17:

Top down approach is used for


Correct
  • 1:
    System development
  • 2:
    Identification of faults
  • 3:
    System validation
  • 4:
    Functional testing
18:

Reliability of software is usually estimated at the;


Correct
  • 1:
    Analysis phase
  • 2:
    Design phase
  • 3:
    Phase specification
  • 4:
    Testing phase
19:

Software engineering primarily aims at


Correct
  • 1:
    Reliable software
  • 2:
    Cost effective software
  • 3:
    Reliable and cost effective software
  • 4:
    Maintainable software
20:

A feasibility study should focus on


Correct
  • 1:
    Technical feasibility
  • 2:
    Economical feasibility
  • 3:
    Operational feasibility
  • 4:
    All of the above

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A Level Computer Science Quiz 2015 Part 3
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