Term
|
Definition
| Messages to be understood by both computers during exchange |
|
|
Term
|
Definition
| Central Processing Unit:Performs calculations and operations |
|
|
Term
|
Definition
| Arithmetic Logic Unit: does arithmetic and Boolean calculations |
|
|
Term
|
Definition
| Control Unit: controls processing of instructions and movement of data from one part of CPU to another |
|
|
Term
|
Definition
| moves program instructions and data between CPU and hardware components |
|
|
Term
|
Definition
| Input/Output: any operation, program, or device that transfers data to or from a computer. |
|
|
Term
|
Definition
| a bundle of wires that carries signals and power between components |
|
|
Term
|
Definition
| Random access memory: primary storage |
|
|
Term
|
Definition
| Data being manipulated for instructions is stored in memory,as well as the instructions. |
|
|
Term
|
Definition
| Application Program Interface: interface for application programs and utilities to access the internal services provided by the operating system. Including file services, I/O services, data communication services. |
|
|
Term
|
Definition
| American Standard Code for Information Interchange. a commonly used data format for exchanging information between computers or programs |
|
|
Term
|
Definition
| module that contains most important operating system processing functions. |
|
|
Term
|
Definition
| Application Program Interface: contract between software programs that helps them communicate with each other |
|
|
Term
|
Definition
-ROM
-PROM
-EPROM
-EEPROM
-Flash memory |
|
|
Term
| PROM vs EPROM, EEPROM, Flash Memory |
|
Definition
| PROM can be programmed once. EPROM can be erased and programmed again, but has to be taken out the device and completely erased again to change a small part. EEPROM can change out parts but does so at 1 byte at a time, very slow. Flash memory can do 512 bytes at a time. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| does not need to be refreshed,but takes up more space, thus more expensive |
|
|
Term
|
Definition
| The physical connection that makes it possible to transfer data from one location in the computer system to another |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| Bus with one line for each bit of data. Bits on the bus are transferred simultaneously. |
|
|
Term
|
Definition
| Data is transferred sequentially, one bit at a time. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Bi directional bus line, that carries data one direction at a time. |
|
|
Term
|
Definition
| Bi directional line that carries data in both directions |
|
|
Term
|
Definition
| Bus that carries signal from a single specific source to a single destination |
|
|
Term
|
Definition
| Point to point buses that connect external device to a connector |
|
|
Term
| Multipoint bus, broadcast bus |
|
Definition
| Connects several points together |
|
|
Term
|
Definition
| determines the number of bits transferred at one time |
|
|
Term
|
Definition
| System which allows an adapter to transfer data to Ram without CPU involvement |
|
|
