Term
|
Definition
| IF, ELSE, THEN.. (Eg IF 2+2*3<15 THEN print "yes", ELSE print "no") |
|
|
Term
|
Definition
| Standardized, plain English coding language. Always follows order of operations (P.E.M.D.A.S.) |
|
|
Term
| PERT Chart (Program Evaluation and Review Techniques) |
|
Definition
| Shows the order in which different tasks must be completed. |
|
|
Term
|
Definition
| Plots out the time allocated to each step in the software development process. |
|
|
Term
| Conversion to new software system: Plunge |
|
Definition
| Total and immediate switch to new software. |
|
|
Term
| Conversion to new Software System: Pilot Conversion |
|
Definition
| One department uses software to see if they like it. |
|
|
Term
| Conversion to new Software System: Phased Conversion |
|
Definition
| One department starts using the new software, then another, then another. |
|
|
Term
| Conversion to new Software System: Parallel Conversion |
|
Definition
| Both old and new software are used side by side to compare performance. |
|
|
Term
| Software Development Methods: Waterfall |
|
Definition
| Analysis (feasibility study), Design, Implementation (conversion from old to new), Maintenance (updates, troubleshooting, etc.) [ADIM] |
|
|
Term
| Software Development Methods: Prototyping |
|
Definition
| Design a prototype, see if it works, make adjustments..final product. |
|
|
Term
| Software Development Methods: Rapid Application Development (RAD) |
|
Definition
| Uses computer applications to speed up development process. |
|
|
Term
| Software Development Methods: Object-oriented Development |
|
Definition
| Re-usable, preexisting "objects" are used to create a new product. |
|
|
Term
|
Definition
| Standard set of rules so each computer can understand each other. |
|
|
Term
|
Definition
| One bit is sent after the other. A START and STOP bit is sent at beginning and end of message. (Telephone lines). |
|
|
Term
|
Definition
| A clock synchronizes the transfer of data. Very fast. |
|
|
Term
|
Definition
| Send AND receive data at the same time. |
|
|
Term
|
Definition
| Can only send or receive data at one time. Each computer takes it's turn. |
|
|
Term
|
Definition
| Modulator/Demodulator. Converts digital signal to analog signal and vice versa. (For sending down phone lines). |
|
|
Term
|
Definition
| More than one program can run at the same time. |
|
|
Term
| Device Manager (I/O Supervisor) |
|
Definition
| Controls I/O devices to ensure they don't clash. |
|
|
