Digital Fundamentals
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Digital Fundamentals
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1. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents

2. Data Communications equipment

3. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.

4. Having two directions. the stored data can be shifted right or left

5. The unit of electrical current

6. A device used to convert an analog signal to a sequence of digital codes

7. The effect created when a signal is sampled at less than twice the signal frequency. Aliasing creates unwanted frequencies that interfere with the signal frequency.

8. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously

9. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent

10. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor

11. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control

12. The inverse of opposite of a number - in Boolean algebra - the inverse function - expressed with a bar over the variable. The complement of a 1 is a 0 - and vice versa

13. Consisting of numerals - letters - and other characters

14. American wire gauge; a standardization based on wire diameter

15. The maximum value of a voltage or current

16. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.

17. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.

18. The beginning address of a segment of memory

19. A combined coder and decoder

20. A logic gate that produces a High output only when all of the inputs are HIGH

21. A set of conductive paths hat connects the CPU to other parts of the computer to coordinate its operations and to communicate with external devices

22. The basic timing signal in a digital system; a periodic waveform in which the interval between pulses equals the time for one bit; the triggering input of a flip- flop

23. A bidirectional set of conductive paths on which data or instruction codes are transferred into a microprocessor or on which the result of an operation is sent out from the microprocessor

24. The digit generated when the sum of two binary digits exceeds 1

25. The process of converting an analog signal to digital form

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