WorksheetsQuiz Bowl
Total questions: 15
Worksheet time: 5mins
What is the correct order of stages of system analysis using the waterfall method?
(a)
p: The dog rolls over on command
q: The dog gets a treat
For the combination p AND q, for which truth values of p and q is the combination true?
p: T
q: F
p: F
q: F
p: T
p: T
p: F
q: T
Which of the following is not true about logic gates?
Logic gates correspond to specific truth tables.
Logic gate symbols represent idealized components.
Logic gate symbols vary based on the type of components used to implement them
Logic gates are designed to perform Boolean operations on digital inputs.
Creating an object is called
Instantiation
Variable
Reference
Abstraction
What are the three general types of peripheral devices?
Audio, video, and print output
Input, output, and storage
Internal, wired external and wireless external
Mouse, Keyboard, and Monitor
What is the chief advantage of the standard distinctive shape set of Boolean logic symbols?
Boolean logic symbols in the standard distinctive shape set are easily recognizable.
The standard distinctive shape set of Boolean logic symbols is more efficient because it does not require the use of truth tables
Boolean logic symbols in the standard distinctive shape set are the only common standard in the European Union.
The standard distinctive shape set of Boolean logic symbols is easy to scale because the symbol shapes are uniform
p: The pond is not frozen over.
q: The fish are not jumping.
For the combination p AND (NOT q), for which truth values of p and q is the combination true?
p: T
q: T
p :T
q: F
p: F
q: T
p: F
q: F
How many different values can a Boolean represent?
1
0
any integer
2
What is the purpose of a Use Case Diagram
Functional Decomposition
Identification of Functional Requirements
To define sequence of action
To identify multiplicities
Which of the following numbers is an example of a floating point number?
10
0.001
01
All of the above
A record is composed of one or more (a) which hold the data values
The act of physically transferring a unit of data between the memory and a peripheral device
Logical I/O
Physical I/O
Access I/O
Peripheral I/O
It is required that each entity must have a primary key where the value of that primary key
is not NULL, this is known as
(a)
A database contains the fields Item_No and Item_Description. If we are given the Pupil_No then we know Pupil_Name. This means that
Item_Description has a functionality with Item_No
Item_No is functionally dependent on Item_Description
.Item_Description is functionally dependent on Item_No
these two attributes has a relationship
In a timing diagram, a _ indicates an idle state
(a)
