Test your basic knowledge |

Digital Fundamentals

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed






2. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory






3. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.






4. The beginning address of a segment of memory






5. A number given in ampere- hours determined by multiplying the current times the length of the time (h) a battery can deliver that current to a load






6. A class of integrated logic circuits that is implemented with a type of field effect transistor






7. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus






8. The number of protons in a nucleus






9. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor






10. A circuit that selects data from several inputs one at a time in a sequence and places them on the output; also called a multiplexer.






11. Digital audio tape; a type of magnetic tape format






12. A type of IC package whose leads must pass through holes to the other side of a PC board






13. Burst extended data output dynamic random- access memory






14. The action of a circuit in which it accepts current into its output from a load






15. A unit of logic in an FPGA that is made up of multiple smaller logic modules and a local programmable interconnect that is used to connect logic modules within the CLB






16. Information in numeric - alphabetic - or other form.






17. Describes a number system with a base of ten






18. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function






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






20. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.






21. American National Standards Institute






22. Data Terminal equipment






23. A binary digit - which can be either 1 or 0






24. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference






25. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.






26. A combination of input literals that cannot occur and can be used as a 1 or 0 on a Karnaugh Map for simplification

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


27. The process of producing an output carry in full- adder when both input bits are 1s.






28. A theorem that states that any amount of voltage sources and current sources can be combined into a single current source with a parallel resistor.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


29. A logic circuit used to add two binary numbers






30. The VHDL unit that describes the internal operation of a logic function; the internal functional arrangement of the elements that give a device its particular operating characteristics.






31. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference






32. A connection at the midpoint of a winding in a transformer






33. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.






34. Consisting of numerals - letters - and other characters






35. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






36. Altera HDL; a nonstandard HDL






37. An application program in development software packages that controls the design flow process and translates source code into object code in a format that can be logically tested or downloaded to a target device






38. A interconnection of electrical components designed to produce a desired result. A basic circuits consists of a source - a load and an interconnecting current path.






39. A resettable protective device used for interrupting execessive current in an electric circuit






40. An expression of variables and operators used to express the operation of a logic circuit






41. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits






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






43. The normal level of a pulse waveform; the voltage level in the absence of a pulse.






44. The graph of a filter's frequency response showing the change in the output voltage to input voltage ratio expressed in dB as a function of frequency for a constant input voltage






45. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic






46. The time from the application of a valid memory address to the appearance of valid output data






47. 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






48. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence






49. The process or sequence of operations carried out to program a target device






50. In a PLD - a matrix formed by rows of product- term lines columns of input lines with a programmable cell at each junctions. In VHDL - an array is an ordered set of individual items called elements with a single identifier name.