Digital and Microcontrollers

12345678910111213141516171819202122232425262728293031323334353637383940414243
Across
  1. 1. This logic gate produces a low output when all inputs are low
  2. 5. __________ (three words) are mathematical abstractions that are used to solve a large variety of problems, among which are electronic design automation, communication protocol design, parsing and other engineering applications.
  3. 8. Occurs when a positive number is added to a positive number and the result is negative
  4. 11. Base 10 numbers
  5. 13. VHDL is not _________ (two words)
  6. 15. VHDL has the ability to execute a virtually unlimited number of statements at the same time and in a ________ manner
  7. 17. This logic gate produces a high output when all inputs are high
  8. 18. The _______ (two words) is a graphical way of reducing digital circuits and will simplify logic faster and more easily in most cases.
  9. 19. This is a circuit that changes a set of signals into a code
  10. 22. The VHDL ______ declaration describes the inputs and outputs of your circuit.
  11. 23. Sometimes abbreviated dmux or demux, this is a circuit that has one input and more than one output
  12. 24. The three main flavors of VHDL modeling styles include data-flow, _______ and structural models.
  13. 28. The VHDL _______ describes what the circuit actually does
  14. 30. Base 2 numbers
  15. 31. This logic gate produces and output that is the opposite logic level as the input
  16. 35. A device that stores (and sometimes displays) the number of times a particular event or process has occurred
  17. 36. An edge-sensitive bit-storage device (two words, no hyphen)
  18. 40. Almost all computers and digital systems use a system called _______ (two words, no hyphen) for representing numbers that can be both positive and negative
  19. 43. The register used in a microcontroller to determine if a port is input or output (two words)
Down
  1. 1. Occurs when a negative number is added to a negative number and the result is positive
  2. 2. Abbreviation for a device that converts digital data to analog signals
  3. 3. The acronym for a common hardware description language that can model the behavior and structure of digital system
  4. 4. Break the line, change the sign (two words)
  5. 6. This logic gate produces a high output when all inputs are low
  6. 7. Base 16 numbers
  7. 9. If you write a statement with different operand data types for a binary operation, the compiler will convert the smaller data type to the bigger data type through this process
  8. 10. A type of digital circuit using a cascade of flip-flops where the output of one flip-flop is connected to the input of the next (two words)
  9. 12. This logic gate produces a high ouput when the two inputs are the same logic levels (also known as ENOR)
  10. 14. This type of logic remembers past events
  11. 16. Data transfer where multiple bits are sent at the same time using multiple conductors
  12. 20. This type of logic is based only on current inputs, not past inputs or outputs
  13. 21. This logic gate produces a high ouput when the two inputs are different logic levels (also known as EOR)
  14. 25. Base 8 numbers
  15. 26. The abbreviation for a multiplexer, which is a device that has multiple inputs and one output
  16. 27. Data transfer that occurs one bit at a time
  17. 28. Abbreviation for a device that converts analog signals to digital quantities
  18. 29. A multiplatform environment from Intel that is used to simulate and design digital circuits for Intel FPGAs
  19. 32. A circuit that performs a basic math operation in a digital circuit and come sin both a full and half version
  20. 33. This is a circuit that changes a code into a set of signals
  21. 34. The acronym for ports in a microcontroller that are used for interfacing devices
  22. 35. The & operator is know as this in VHDL
  23. 37. This bitwise operation uses the | symbol in C
  24. 38. The ^ symbol in C performs this operation when used in a bitwise operation
  25. 39. The acronym for a semiconductor integrated circuit where a large majority of the electrical functionality inside the device can be changed
  26. 41. This bitwise operation uses the & symbol in C
  27. 42. This logic gate produces a low output when all inputs are high