100% CORRECT 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