Answer:
a. hardware - 3. motherboard
b. software - 2. Microsoft Word
c. input device - 4. mouse
d. operating system - 1. windows
Answer:
Examples of Fact-finding techniques includes:
-
Prototyping
-
Questionnaires
- Research and sites visit
-
Interviews
Explanation:
It is important to note that a database system is a tool that allows users to define, create, maintain, and control access to a collection of logically related data and description of these data, designed to meet the information needs of an organization.
<u>Prototyping
</u>
<em>Advantage:</em> enables testing and understanding of the system in advance before final implementation of solution, while requiring less time for research.
<em>Disadvantage:</em> Training and Development cost consumes resources.
<u>Research and site visit </u>
<em>Advantage :</em> better time management if the problem has been researched upon before.
<em>Disadvantage:</em> appropriate permission is often needed before using research materials.
<u> Questionnaires
</u>
<em>Advantage: </em>This technique is not expensive, and responses can be calculated and analysed quickly.
<em>Disadvantage:</em> There may be Incomplete answers received from users and body language of user cannot be observed.
<u>Interviews</u>
<em>Advantage:</em> The body language of interviewees is been perceived.
<em>
Disadvantage: </em>Interviewing is time consuming and costly.
Answer:
D. int* ptr;
Explanation:
int *ptr; it is pointer used to hold address of another integer variable.In the options provided we have int ptr that is an integer variable of name ptr.
*int ptr; is wrong this will give error because first we have to write the data type.
int ptr*; is an integer varaible with name ptr*.
int* ptr; is a pointer which can hold the address of another integer varaible.
