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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. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Bode Plot
Address
Amplitude
Balanced Bridge
2. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
DMA
Counter
Amplitude
Dividend
3. 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
Norton's Theorem
Branch Current
Adjacency
DCE
4. The time from the application of a valid memory address to the appearance of valid output data
Access time
Data Sheet
DTE
Carry generation
5. In Boolean algebra - the AND operation
D Flip-Flop
Acceptor
Boolean multiplication
BEDO DRAM
6. The process of converting an analog signal to digital form
Delta Modulation
Analog- to- digital (A/D) conversion
Bus contention
Associative law
7. A type of inductor used to block or choke off high frequencies
Asynchronous counter
Adder
Bit
Choke
8. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Amplitude
Compiler
Analog
Boundary scan
9. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
AND
Battery
Autotransformer
Combinational logic
10. A type of IC package whose leads must pass through holes to the other side of a PC board
Admittance
Dynamic Memory
Dual in - line package
Clear
11. Sum of all the voltage drops in series equals to the source voltage
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12. A device used to convert an analog signal to a sequence of digital codes
Analog- to- digital converter(ADC)
Circular Mil (CM)
Diode
Boundary scan
13. The smallest particle of an element possessing the unique characteristics of that element.
DAT
Atom
Bleeder Current
CMOS Complementary Metal Oxide Semiconductor
14. The process of producing an output carry in full- adder when both input bits are 1s.
Ampere
Decade Counter
Carry generation
Circuit
15. To decrease the binary state of a counter by one
Bus arbitration
Decrement
Band- stop filter
Counter
16. American National Standards Institute
Bus arbitration
AWG
Complement
ANSI
17. 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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18. 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.
Bus arbitration
Capacitor
Attenuation
Component
19. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Dynamic Memory
Ammeter
Dual in - line package
Clock
20. The ratio of pulse width to period expressed as a percentage
DMA
Acceptor
Choke
Duty cycle
21. A binary digit - which can be either 1 or 0
Dividend
Acceptor
Atom
Bit
22. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Circular Mil (CM)
Dividend
Debug
Concurrency
23. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Band- stop filter
Dual in - line package
Bus interface unit
Boolean expression
24. The mathematics of logic circuits
Boolean algebra
Base address
Combinational logic
Bit time
25. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
Circular Mil (CM)
Attenuation
BIOS
Analog- to- digital (A/D) conversion
26. The application of a dc voltage to an electronic device to produce a desired mode of operation
Don't Care...
Bias
Battery
Attenuation
27. Data Terminal equipment
AND array
Code
Branch
DTE
28. A set of interconnections that interface one or more devices based on a standardized specification
Bus
Cache memory
Cascade
Autotransformer
29. Bipolar junction transistor; a semiconductor device used for switching or amplification. A BJT has two junctions - the base- emitter junction and the base- collector junction
Control Unit
Current sinking
Carry
BJT
30. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Bus interface unit
Decade
Dual in - line package
Band- stop filter
31. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Adjacency
Bus interface unit
Digital linear tape
Boundary scan
32. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
BIOS
Ammeter
Admittance
Autotransformer
33. An instrument that can specify each of the other instruments on the bus as either a talker or a listener for the purpose of data transfer.
Center Tap
Distributive Law
Boolean algebra
Controller
34. The action of a circuit in which it accepts current into its output from a load
Current sinking
Dividend
Admittance
Decade Counter
35. A receiving device on a bus
Acceptor
Bias
Central processing unit
Boolean expression
36. 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.
Data Selector
Bus contention
Attenuation
Bandwidth
37. Information in numeric - alphabetic - or other form.
Boundary scan
Data
Bode Plot
Closed circuit
38. A logic gate that produces a High output only when all of the inputs are HIGH
Clear
Analog- to- digital (A/D) conversion
AND gate
CPLD
39. Transistor-Transistor Logic and is implemented with bipolar junction transistors
Digital linear tape
TTL
Ampere- hour(Ah) rating
Choke
40. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Baseline
Adder
Charge- coupled device
Bit time
41. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.
Bode Plot
Average value
Boundary scan
Decode
42. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Band- pass filter
AND gate
Bistable
Complement
43. Having two opposites charge carriers within the transistor structure
Bleeder Current
Decoder
Bipolar
Angular Velocity
44. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
ABEL(Advance Boolean Expression Language)
Admittance
AND
DIMM
45. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Adder
Circular Mil (CM)
Alphanumeric
Comparator
46. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Ampere
Vx=(Vs * Rx) /RT
Cache memory
ABEL(Advance Boolean Expression Language)
47. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Boolean algebra
Commutative Law
Branch Current
Counter
48. A series of bits describing a final design that is sent to the target device during programming
Data Sheet
Component
Bitstream
Decoder
49. 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.
Amplitude
Aliasing
Duty cycle
Central processing unit
50. In Boolean algebra - the OR operation
Array
Capacitance
Boolean addition
Architecture