Indexed-Sequential organization
A. means storing records in contiguous blocks according to a key.
B. Stores records sequentially but uses an index to locate records
C. uses an index for each key type
D. has records placed randomly throughout the file
E. None of the above
Select an option to see the answer and solution.
Management's decision to rent a computer system may be based upon
A. tax advantages
B. desire to avoid a large one-time payment
C. operational flexibility in changing hardware
D. All of the above
E. None of the above
Select an option to see the answer and solution.
The rule(s) to follow in constructing decision tables is (are):
A. a decision should be given a name
B. the logic of the table is independent of the sequence in which conditions rules are written, but the action takes place in the order is which the events occur.
C. standardized language must be used consistently.
D. All of the above
E. None of the above
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Which are the tools not used for System Analysis
A. System - test data
B. Decision table
C. Data Flow Diagram
D. Flowcharts
E. None of the above
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Back-up procedure helps in
A. restoring the operation whenever there is a disk failure
B. restoring both application and system software whenever there is disk corruption.
C. restoring the data files whenever there is a system crash
D. All of the above
E. None of the above
Select an option to see the answer and solution.
The starting point for development of an MIS is;
A. identification of business processes that are the essence of the business
B. a distributed database management
C. the system has a large number of PCs and a LAN.
D. purchase of a mini computers
E. None of the above
Select an option to see the answer and solution.
The records in a file or magnetic tape
A. can only be accessed serially
B. have to be arranged in a key sequence
C. are meant for backup
D. cannot be transferred to a disk file
E. None of the above
Select an option to see the answer and solution.
Acceptance testing is
A. running the system with line data by the actual user
B. making sure that the new programs do in fact process certain transactions according to Specifications
C. is checking the logic of one or more programs in the candidate systems
D. testing changes made in an existing or a new program
E. None of the above
Select an option to see the answer and solution.
The _____ symbol is used in a flowchart to represent a step that gets information from the user.
A. Input/Output
B. Process
C. Selection/repetition
D. Start/Stop
E. None of the above
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In top down analyis and design
A. each succeeding phase is more detailed than the phase before it
B. each succeeding phase is as detailed as the phase before it.
C. each succeeding phase is less detailed than the phase before it
D. aLL of the above
E. None of the above
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The _____ symbol is used in a flowchart to represent a calculation task.
A. Input
B. Output
C. Process
D. Start
E. Stop
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System prototyping helps the designer in
A. making the programmers understand how the system will function.
B. communicating to the user, quickly, how the system, when developed, will look like and get a feedback.
C. giving a demo of the software, to the system manager to whom he reports
D. both (a) and (b)
E. None of the above
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Which of the following systems implementation approaches should be used if you want to run the old system and the new system at the same time for a specified period?
A. direct
B. pilot
C. parallel
D. phased
E. None of the above
Select an option to see the answer and solution.
Main characteristic of "ring", in Data structure, is
A. First record points only to the last record
B. Last record points to the first record
C. Many records point to one record
D. Each record points to all other records
E. None of the above
Select an option to see the answer and solution.
Which of the following is not considered as a tool at the system design phase?
A. piechart
B. data-flow diagram
C. decision table
D. systems flowchart
E. None of the above
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To avoid errors in transcription and transposition, during data entry, the System Analyst should
A. provide for a check digit
B. provide for a hash totals
C. provide batch totals
D. All of the above
E. None of the above
Select an option to see the answer and solution.
Sequential or series testing is
A. running the system with line data by the actual user
B. making sure that the new programs do in fact process certain transactions according to Specifications
C. is checking the logic of one or more programs in the candidate system
D. testing changes made in an existing or a new program
E. None of the above
Select an option to see the answer and solution.
A consideration evaluated by management when planning to convert to a computer system is :
A. maintenance
B. available software
C. CPU sized speed
D. All of the above
E. None of the above
Select an option to see the answer and solution.
Direct-access organization
A. means storing records in contiguous blocks according to a key.
B. Stores records sequentially but uses an index to locate records
C. uses an index for each key type
D. has records placed randomly throughout the file
E. None of the above
Select an option to see the answer and solution.
A system design aid should primarily
A. help analyse both data and activities
B. help in documentation
C. generate code
D. using a graphical user interface
E. None of the above
Select an option to see the answer and solution.
