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Computer Science
System Analysis And Design
Quiz 2
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Q.1
Data Definition Language (DDL)
describes how data are structured in the data base
specifies for the DBMS what is required; the techniques used to process data
determine how data must be structured to produce the user's view
All of the above
None of the above
Q.2
In phase 1 of the system development life cycle, which of the following aspects are usually analyzed?
outputs
input (transactions)
controls
All of the above
None of the above
Q.3
During the maintenance phase
System requirements are established
System analysis is carried out
Programs are tested
All of the above
None of the above
Q.4
The approach used in top-down analysis and design is
to identify the top level functions by combining many smaller components into a single entity
to prepare flow charts after programming has been completed
to identify a top level function an d then create a hierarchy of lower-level modules and components.
All of the above
None of the above
Q.5
Which of the following statements, is (are) not true for the lease option
Lease charges are lower than rental charges for the same period and are also tax deductable.
Lease may be written to show higher payments is early years to reflect the decline in value of the system
Insurance, maintenance and other expenses are included in the rental charge
All of the above
None of the above
Q.6
The two classifications of inputs are
energies and maintenance
maintenance and waste
maintenance and signal
products and waste
None of the above
Q.7
Which of the following is not a factor in the failure of the systems developments projects?
size of the company
inadequate user involvement
failure of systems integration
continuation of a project that should have been cancelled
None of the above
Q.8
A Ring, refers to a record chain, the last of which refers to the first record, in the chain, is called a/an
addressing
location
pointer
loop
None of the above
Q.9
The primary tool used in structured design is a:
data-flow diagram
module
structure chart
program flowchart
None of the above
Q.10
Documentation is prepared
at every stage
at system design
at system analysis
at system development
None of the above
Q.11
System Implementation Phase entails
System check outs
Pilot run
Parallel runs
All of the above
None of the above
Q.12
Which of the following is not true of the conversion phase of the development life cycle?
the user and systems personnel must work closely together.
steps must be taken to phase out the old system
documentation should be emphasized
the non machine components of the system should be considered
None of the above
Q.13
A problem's _____ will answer the question, "What information will the computer need to know in order to either print or display the output times?"
Input
Output
Processing
Purpose
None of the above
Q.14
System Study involves
study of an existing system
documenting the existing system.
identifying current deficiencies and establishing new goals
All of the above
None of the above
Q.15
The primary tool used in structured design is a:
structure chart
data-flow diagram
program flowchart
module
None of the above
Q.16
A decision table facilitates conditions to be related to
actions
programs
tables
operation
None of the above
Q.17
Conversion method in which users, being used to an old system, continue to use the old system, along with the new system, is
Multiprocessing
Multitasking
Parallel run
All of the above
None of the above
Q.18
The person communicating with the manager to identify information needs is the
executive vice-president
vice- president of information system
programmer
system analyst
None of the above
Q.19
In a _____ one module of the new information system is activates at a time.
System Development Life Cycle
CASE tool
Phased Conversion
Success factors
None of the above.
Q.20
In Prototyping
BASIC is used
COBOL is used
4GLs are used
system is documented
None of the above
Q.21
The step-by-step instructions that solve a problem are called _____.
An algorithm
A list
A plan
A sequential structure
None of the above
Q.22
A _____ is an outline of a process that keeps develop successful information systems
System Development Life Cycle
CASE tool
Phased Conversion
Success Factors
Move of the above
Q.23
A branch office, location or other data processing centres, where a newly developed system is used under normal operating conditions for several months, to test it, is called
beta test data
alpha test data
string test data
system test data
None of the above
Q.24
The systems have been classified in different ways
physical or abstract
open or closed
man-made information system
All of the above
None of the above
Q.25
Which of the following' is NOT a characteristic of good test data?
should be comprehensive
users do not participate at this preliminary stage
every statement should be executed
expected output from the module's execution should be determined manually
None of the above
Q.26
A structure chart is
a document of what has to be accomplished
a hierarchical partitioning of the program
a statement of information processing requirements
All of the above
None of the above
Q.27
A turnkey package includes
software
hardware
training
All of the above
None of the above
Q.28
A square symbols
defines a source or destination of system data
identifies data flow
represents a process that transforms incoming data flow(s) into outgoing data flows
is a data store-data at rest, or a temporary repository of data
None of the above
Q.29
An appraisal, of a system's performance after it has been installed, is called system
planning
review
maintenance
batch Processing
None of the above
Q.30
A pseudocode is
a machine code
a computer generated random number
a protocol used in data communication
an easy way to communicate the logic of a program, in English like statements
None of the above
Q.31
During system study, data can be collected through
questionnaires
interviews
on-site observations
All of the above
None of the above
Q.32
Which of the following represents processor activities, methods, and procedures in a data flow diagram?
datagram
actigram
feed back
flow chart
None of the above
Q.33
When desk-checking an algorithm, you should set up a table that contains _____.
One column for each input item
One column for each output item
One column for each processing item
Both a and b
a, b, and c
Q.34
Data dictionary contains detail of
data structures
data flows
data stores
All of the above
None of the above
Q.35
Which of the following statements is true
as parallel run involves two different terminals accessing a common database
computers are essential for systems Analysis
Flow of information in an organization is always vertical
alpha testing is the verification process a system goes through for the first time
None of the above
Q.36
A self check digit is useful in detecting
transcription errors only
transposition errors only
Random errors only
All of the above
None of the above
Q.37
Advantages of Relational Database Management systems are
Flexibility, of relating different logical files
Security controls can be more easily implemented.
Data independence since it allows the database to grow by adding new attributes and relations.
All of the above
None of the above
Q.38
Which of the following is not a requirement of structured design?
It should use many GO TO statements
The code should be executed in a top-to-bottom fashion within each module
It should be made up of a hierarchy of modules
Each module should be as independent as possible of all other modules, except its parent
None of the above
Q.39
The Data flow diagram (DFD) shows;
the flow of data
the processes
the areas where they are stored.
All of the above
None of the above
Q.40
In data-flow diagrams, an originator or receiver of the data is usually designated by
a circle
an arrow
a square box
a rectangle
None of the above
Q.41
Announcement of MIS implementation is made by
operational level managers
tactical level managers
the president
All of the above
None of the above
Q.42
A problem's _____ will answer the question, "What does the user want to see either printed or displayed on the screen?"
Input
Output
Processing
Purpose
None of the above
Q.43
A data flow diagram is
the modern version of flowchart
mainly used at the systems specification stage.
the primary output of the systems design phase
All of the above
None of the above
Q.44
A graphic representation of an information system is called
flow chart
pictogram
data flow diagram
histogram
None of the above
Q.45
The outstanding Invoice file should be stared on a Pardon Access Storage Device if
invoice data entry is on-line.
payment recording is done in a batch rode
inquires concerning payable are to be answered on-line
last record points to the first record
None of the above
Q.46
Environment in systems parlance refers to
a sub-system
the boundary
a part outside the boundaries
All of the above
None of the above
Q.47
In Decision trees
nodes represent the conditions, with the right side of tree listing the actions to be taken
the root is drawn on the left and is the starting point on the decision sequence.
the branch depends on the condition and decisions to made
All of the above
None of the above
Q.48
A hierarchical chart that divides a large program into modules, in which greater details is designed in successively lower programming levels, is called a
Scheme
sub-schema
Structure
All of the above
None of the above
Q.49
Which of the following is (are) the characteristic(s) of a system?
organization
Interaction
Interdependence
All of the above
None of the above
Q.50
The term Parallel Run refers to
the same job run on two different computer to test their speeds
the processing of two different jobs initiated from two terminals.
the concurrent operation of an existing system and a new system
All of the above
None of the above
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