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Test your basic knowledge |
Digital Fundamentals
Start Test
Study First
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. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
CPLD
Battery
Atom
Boundary scan
2. 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.
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3. A reduction of the output signal compared to the input signal - resulting in a ratio with a value of less than 1 for the output voltage to the input voltage of a circuit.
DIMM
AND
Attenuation
DAT
4. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
ANSI
Data bus
Debug
Demultiplexer
5. The beginning address of a segment of memory
Controller
Base address
Circuit
Capacity
6. A class of integrated logic circuits that is implemented with a type of field effect transistor
Balanced Bridge
AND array
CMOS Complementary Metal Oxide Semiconductor
Boolean multiplication
7. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Dependency notation
ASCII
Boundary scan
Bus interface unit
8. The unit of electrical current
Band- pass filter
Ampere
Dynamic Memory
Code
9. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Analog- to- digital converter(ADC)
Bias
Capacity
Bit time
10. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Band- pass filter
Assembly language
Buffer
Controller
11. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Comparator
Bandwidth
Amplitude
Current sinking
12. In addition - the number that is added to another number called the augend
Cross - assembler
Augend
D Flip-Flop
Addend
13. The process or sequence of operations carried out to program a target device
Delta Modulation
AWG
Bus contention
Design flow
14. The actual current in a branch
Branch Current
Circuit
BIOS
Amplitude
15. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Demultiplexer
Dynamic Memory
Circular Mil (CM)
Commutative Law
16. The smallest particle of an element possessing the unique characteristics of that element.
Atom
AHDL
Address
Angular Velocity
17. Characteristic of cells in a Karnaugh map in which there is a single- variable change from one cell to another cell next to it on any of its four sides
Charge- coupled device
Adjacency
Branch
DCE
18. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Cross - assembler
Combinational logic
AND gate
Bode Plot
19. A combination of input literals that cannot occur and can be used as a 1 or 0 on a Karnaugh Map for simplification
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20. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Circuit
Associative law
Amplitude
Band- stop filter
21. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Analog- to- digital (A/D) conversion
Buffer
Charge- coupled device
Controller
22. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
DMA
Vx=(Vs * Rx) /RT
Bandwidth
ALU
23. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Norton's Theorem
Bus interface unit
Ampere- hour(Ah) rating
Asynchronous counter
24. The range of frequencies for which the current (or output voltage) is equal to or greater than 70.7% of its value at the resonant frequency that is considered to be passed by a filter.
Duty cycle
Bus
Bandwidth
Binary coded decimal
25. An electrical instrument used to measure current
bed- of- nails
Assembler
Average value
Ammeter
26. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Ammeter
Bus contention
Bias
Bipolar
27. 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.
Bus arbitration
bed- of- nails
Baseline
Aliasing
28. A unit of the cross - sectional area of a wire.
Aliasing
Circular Mil (CM)
DIMM
Data Sheet
29. A method for the automated testing of printed circuit boards in which the board is mounted on a fixture that resembles a bed of nails that makes contact with test points
Choke
bed- of- nails
Cross - assembler
Binary coded decimal
30. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
Analog
DRAM
Architecture
BJT
31. In Boolean algebra - the OR operation
Design flow
Bode Plot
Amplitude
Boolean addition
32. A receiving device on a bus
Admittance
Dual in - line package
Acceptor
Aliasing
33. The process of converting an analog signal to digital form
CMOS Complementary Metal Oxide Semiconductor
ASCII
Analog- to- digital (A/D) conversion
BJT
34. A type of magnetic tape format
D Flip-Flop
Digital linear tape
Delta Modulation
Dynamic Memory
35. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Binary coded decimal
Concurrency
bed- of- nails
Component
36. A combined coder and decoder
Balanced Bridge
Capacitance Reactance
Amplitude
Code
37. A circuit that prevents loading of an input or output
Choke
Base
Buffer
Design flow
38. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Decode
Compiler
ASCII
Balanced Bridge
39. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Apparent power
Baseline
Band- pass filter
Adjacency
40. A digital counter having ten states
Carry
Decade Counter
Data Sheet
Counter
41. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Counter
AWG
Don't Care...
Comparator
42. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Adjacency
Controller
Bleeder Current
Central processing unit
43. 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
Delta Modulation
Band- pass filter
Decode
Data bus
44. A digital circuit device that converts coded information into another (familiar) or noncoded form
Band- pass filter
Decoder
Closed circuit
Addend
45. 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.
Architecture
Bus arbitration
Clear
Decade Counter
46. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Clear
Control Bus
Boundary scan
Antifuse
47. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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48. One of the three regions in a bipolar junction transistor
Decode
Diode
Boolean algebra
Base
49. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit
Augend
Duty cycle
Associative law
Vx=(Vs * Rx) /RT
50. A device used to convert an analog signal to a sequence of digital codes
Atom
DMA
Analog- to- digital converter(ADC)
Amplitude