AIN2601 QUESTIONS STUDY GUIDE
AND ANSWERS
When does raw data become valuable? - CORRECT
ANSWER-When processed into information and used for
decision making.
What is the difference between data and information? -
CORRECT ANSWER-Information is data that have been
processed into something meaningful that can be used in
decision making.
What are the steps in the computerised information system
process? - CORRECT ANSWER-Activities
Data entry
Data processing
Output and storage of data and information
Making decisions
List the characteristics of quality data. - CORRECT ANSWER-
Accurate
Complete
Reliable
Verifiable
Define Source Document - CORRECT ANSWER-The first
documented record of an activity that took place.
Name two input methods. - CORRECT ANSWER-batch input
online input
, Define batch input. - CORRECT ANSWER-similar source
documents grouped together, and entered in the CIS
periodically (daily / weekly / monthly)
When is batch input suitable? - CORRECT ANSWER-When a
huge number of similar source documents must be captured;
When up-to-date data and information are only required on the
same frequency as the frequency of data capturing.
What is the advantage of batch input? - CORRECT ANSWER-
Increased productivity
lower hardware cost
What is the disadvantage of batch input? - CORRECT
ANSWER-The CIS is not up to date with the latest data and
information.
Define online input - CORRECT ANSWER-data being
immediately captured into the CIS at the point where the
activity occurs
What is the advantage of online input? - CORRECT ANSWER-
The data in the CIS is always up to date.
What is the disadvantage of online input? - CORRECT
ANSWER-More costly than batch as hardware is required to
capture the data at each point where the activity to be captured
takes place.
What methods can be used to process data into information? -
CORRECT ANSWER-classifying data
performing calculations
sorting data
summarising data
transforming data
AND ANSWERS
When does raw data become valuable? - CORRECT
ANSWER-When processed into information and used for
decision making.
What is the difference between data and information? -
CORRECT ANSWER-Information is data that have been
processed into something meaningful that can be used in
decision making.
What are the steps in the computerised information system
process? - CORRECT ANSWER-Activities
Data entry
Data processing
Output and storage of data and information
Making decisions
List the characteristics of quality data. - CORRECT ANSWER-
Accurate
Complete
Reliable
Verifiable
Define Source Document - CORRECT ANSWER-The first
documented record of an activity that took place.
Name two input methods. - CORRECT ANSWER-batch input
online input
, Define batch input. - CORRECT ANSWER-similar source
documents grouped together, and entered in the CIS
periodically (daily / weekly / monthly)
When is batch input suitable? - CORRECT ANSWER-When a
huge number of similar source documents must be captured;
When up-to-date data and information are only required on the
same frequency as the frequency of data capturing.
What is the advantage of batch input? - CORRECT ANSWER-
Increased productivity
lower hardware cost
What is the disadvantage of batch input? - CORRECT
ANSWER-The CIS is not up to date with the latest data and
information.
Define online input - CORRECT ANSWER-data being
immediately captured into the CIS at the point where the
activity occurs
What is the advantage of online input? - CORRECT ANSWER-
The data in the CIS is always up to date.
What is the disadvantage of online input? - CORRECT
ANSWER-More costly than batch as hardware is required to
capture the data at each point where the activity to be captured
takes place.
What methods can be used to process data into information? -
CORRECT ANSWER-classifying data
performing calculations
sorting data
summarising data
transforming data
