Chapter 3

advertisement
CHAPTER 3
SUGGESTED ANSWERS TO THE PROBLEMS
Prepare flowcharting segments for each of the following operations:
3.1
Assorted Flowcharting Segments:
a.
processing transactions stored on magnetic tape to update a master file stored on
magnetic tape
Transactions
Old
Master
File
b.
File
Update
New
Master
File
processing transactions stored on magnetic tape to update a database stored
on a magnetic disk
Transactions
File
Update
Data
base
c. converting source documents to magnetic tape using a computer-based
optical character reader (OCR)
OCR Source
Documents
Conversion of
Documents to
Tape by OCR
Source
Data
d. processing OCR documents online to update a database on magnetic disk
OCR Source
Documents
Update
Data base
3-1
Data
base
Ch. 3: Systems Development and Documentation Techniques
3.1 (continued) Assorted Flowcharting Segments
e.
reading data from a magnetic disk into the computer to be printed on a report
Data
File
f.
Report
Report
Generation
using a computer or terminal to key data from source documents to a file stored
on a magnetic disk
Terminal
Data File
Source
Documents
Key Data
g.
manually sorting and filing invoices numerically
Invoices
Sort
Numerically
Invoices
N
3-2
Accounting Information Systems
3.1 (continued) Assorted Flowcharting Segments
h.
using a terminal to enter source document data and send it to a remote location
where an online processing system records it in a database stored on magnetic
disk
Terminal
Online
Processing
System
Data
base
Source
Data
i.
a scheduled automatic backup of an internal hard drive to an external hard
drive
Internal
Hard
Drive
j.
Scheduled
Automatic
Backup
External
Hard
Drive
using a terminal to query customer sales data maintained on a magnetic disk
Display
Query
Customer
Sales Data
Enter Query
3-3
Database
Ch. 3: Systems Development and Documentation Techniques
3.1 (continued) Assorted Flowcharting Segments
k.
enter employee hours recorded on time cards in the payroll transaction file
maintained on disk and update wage data maintained on the payroll master file
Payroll
Transaction
File
Terminal
Time Card
Record time card data on the
payroll transaction file and
update wage data maintained
on the payroll master file
Enter Time
Card Data
Payroll
Master File
3.1 (continued) Assorted Flowcharting Segments
3-4
Accounting Information Systems
l.
use a terminal to access a price list maintained on disk to complete a purchase
order. An electronic copy of the purchase order is sent to the vendor and a
backup copy is printed and filed by vendor name
Purchase Order
(electronic)
To Vendor
Access Price List, create
electronic purchase order
& print a paper backup
copy
Price
Data
Purchase Order
(paper)
A
m.
update an airline reservation on a Web-based airline reservation system from a
home computer
Request, complete,
and submit an
online reservation
change form
Revise reservation
data on web-based
airline reservation
system
3-5
Reservation
File
Download