9 magnetic tape this symbol is used to directly

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Unformatted text preview: ne. Hence additional flowchart symbols were later defined for incorporating such details in flowcharts if so desired by the programmers. Some of the most commonly used additional flowchart symbols are shown in Figure 11.3 and their functions are discussed below. 1. Printed Document. This symbol is used to show that either the input is in the form of printed document or the output is to be produced in hard copy form using a printer. 2. Display. This symbol is used to show that the output is to be displayed on a monitor. 3. Keyed Input. This symbol is used to show that the data is to be input using a keyboard device. 4. Manual Input. This symbol is used to show that the data is to be input using an input device that requires manual operation such as keyboard, voice input system, touch screen kiosk, etc. 5. Auxiliary Operation. This symbol is used to represent an operation that is performed by a machine that is not directly under the control of the computer system to be used for the main processing function. However, it is important to perform the auxiliary operation for the successful completion oi the overall processing job. 6. Manual Operation. This symbol is used to represent any offline activity to be performed by a human being. Again it is important to perform this activity for the successful completion of the overall processing job. 7. Online Storage. This symbol is used to represent any data stored on an online storage device such as a disk. 8. Offline Storage. This symbol is used to represent any data stored on an offline device storage device suet as a tape. 9. Magnetic Tape. This symbol is used to directly represent the use of magnetic tape as a storage device for the storage of some data. 10. Magnetic Disk. This symbol is used to directly represent the use of magnetic disk as a storage device for the storage of some data. 11. Communication Link. This symbol is used to represent data transmission from one location t( another across a network. 12. Annotation. This symbol is used to provide additional explanatory notes to some p...
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