Optical Character Recognition and Magnetic Disk
Tutorial 1: Systems Documentation Techniques
Question 1
1. Prepare flowcharting segments for each of the following operations:
a) processing transactions stored on magnetic tape to update a master file stored on magnetic tape
b) processing transactions stored on magnetic tape to update a database stored on a magnetic disk
c) converting source documents to magnetic tape using a computer-based optical character reader (OCR)
d) processing OCR documents online to update a database on magnetic disk
e) reading data from a magnetic disk into the computer to be printed on a report
f) using a computer or terminal to key data from source documents to a file stored on a magnetic disk
g) manually sorting and filing invoices numerically
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
i) a scheduled automatic backup of an internal hard drive to an external hard drive
j) using a terminal to query customer sales data maintained on a magnetic disk
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
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
m) update an airline reservation on a Web-based airline reservation system from a home computer
Question 2
The Happy Valley Utility Company uses turnaround documents in its computerized customer accounting system. Meter readers are provided with preprinted computer forms, each containing the account number, name, address and previous meter readings. Each form also contains a formatted area in which the customer’s current
Question 1
1. Prepare flowcharting segments for each of the following operations:
a) processing transactions stored on magnetic tape to update a master file stored on magnetic tape
b) processing transactions stored on magnetic tape to update a database stored on a magnetic disk
c) converting source documents to magnetic tape using a computer-based optical character reader (OCR)
d) processing OCR documents online to update a database on magnetic disk
e) reading data from a magnetic disk into the computer to be printed on a report
f) using a computer or terminal to key data from source documents to a file stored on a magnetic disk
g) manually sorting and filing invoices numerically
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
i) a scheduled automatic backup of an internal hard drive to an external hard drive
j) using a terminal to query customer sales data maintained on a magnetic disk
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
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
m) update an airline reservation on a Web-based airline reservation system from a home computer
Question 2
The Happy Valley Utility Company uses turnaround documents in its computerized customer accounting system. Meter readers are provided with preprinted computer forms, each containing the account number, name, address and previous meter readings. Each form also contains a formatted area in which the customer’s current