Please enable JavaScript.
Coggle requires JavaScript to display documents.
4.2 input and output design - Coggle Diagram
4.2 input and output design
input & data entry method
batch input
dara entry performed on a specified time schedule
online input
batch input-used in specific situations
data & design technology issues
quality of the output = quality of the input
garbage in, garbage out
objectives of input design
to ensure the quality accuracy and timeliness of input data
guidelines for data entry screen design
data entry screens guidelines
restrict user access to screen locations where data is entered
provide a descriptive caption for every field, and show the user where to enter the data and the required or maximum field size
display a sample format if a user must enter values in a field in specific format
require an ending key store for every field
do not require users to type leading zeroes for numeric fields
do not require users to type trailing zeroes for numbers that include decimals
display default values so operators can press the enter key to accept the suggested value
use a default value when a field value will be constant for successive records or throughout the data entry session
display a list of acceptable values for fields
provide a way to leave the data entry screen at any time without entering the current record
provide users with an opportunity to confirm the accuracy input data before enter it
provide means for user to move among fields on form
design screen form layout to match the layout of source document
allow users to add, change, delete, and view
provide a method to allow users to search specific information
input mask & validation rule
sequence check
existence check
data type check
range check
reasonable check
validity check
combination check
batch controls
design report principles
consistent design
repeating fields
report header and footers
page headers and footers
column heading alignment
column spacing
field order
grouping detail lines
type of report
must include the information that a user needs
report detail
produces one or more lines of output for each record process
exception reports
displays only those records that meet a specific condition
summary reports
upper level managers often want to see total figures and do not needs supporting details
output technology
information system still provide most output as screen displays and printed matter, technology is having an enormous impact on how people communicate
internet based information delivery
instant messaging
blogs and email
specialized form of output
portable, web-connected devices that can run applications, handle multimedia output, and provide powerful
retail point of sale terminals that handle computer based credit transactions, print receipts and update inventory records