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Test your basic knowledge |
Digital Fundamentals
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
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.
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. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Collector
BJT
Circuit
Boolean multiplication
2. 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
Decrement
Assembly language
Bode Plot
Amplitude
3. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Controller
Digital linear tape
Combinational logic
Asynchronous counter
4. The ability of a capacitor to store electrical charge.
Commutative Law
Capacitance
Circular Mil (CM)
Controller
5. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
Binary coded decimal
Cascade
Circular Mil (CM)
Bode Plot
6. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
AND
Analog- to- digital (A/D) conversion
Bit
Boolean multiplication
7. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Amplitude
Component
Controller
Binary coded decimal
8. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
ASCII
Cross - assembler
Binary
Boolean addition
9. A transformer in which the primary and secondary are in a single winding
Base address
ANSI
Vx=(Vs * Rx) /RT
Autotransformer
10. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit
Component
Vx=(Vs * Rx) /RT
Addend
Clear
11. 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.
CMOS Complementary Metal Oxide Semiconductor
Capacitance
AWG
Bandwidth
12. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Don't Care...
Decode
Battery
Carry
13. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Commutative Law
ANSI
Decade
Addend
14. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Balanced Bridge
Band- stop filter
Controller
Asynchronous counter
15. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Binary
D Flip-Flop
Bus contention
Dynamic Memory
16. 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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17. The application of a dc voltage to an electronic device to produce a desired mode of operation
Carry propagation
Bus contention
Bias
Bipolar
18. The action of a circuit in which it accepts current into its output from a load
Current sinking
Component
Data Sheet
Kirchoff's Voltage Law
19. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.
Binary coded decimal
Average value
Boolean expression
Byte
20. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Astable
Binary
Control Bus
Compiler
21. 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.
ANSI
Architecture
Circuit
CMOS
22. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
AHDL
Associative law
Angular Velocity
Compiler
23. 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
D Flip-Flop
bed- of- nails
Thevenin Equivalent Circuit
DMA
24. Information in numeric - alphabetic - or other form.
BIOS
Array
Vx=(Vs * Rx) /RT
Data
25. To connect 'end- to- end' as when several counters are connected from the terminal count output of one counter to the enable input of the next counter
Cascade
Array
Adder
Comparator
26. A device used to convert an analog signal to a sequence of digital codes
Byte
Analog
Base address
Analog- to- digital converter(ADC)
27. To decrease the binary state of a counter by one
Decrement
Assembler
Balanced Bridge
CLB (Configurable Logic Block)
28. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Adder
Binary
Atomic number
Astable
29. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Commutative Law
Boolean algebra
Decrement
Cache memory
30. A two terminal circuit containing voltage sources - current sources - and resistors can be modeled as a voltage source in series with a resistor
Bus arbitration
Data bus
Thevenin Equivalent Circuit
CMOS
31. 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
Code
Battery
BJT
CLB (Configurable Logic Block)
32. A binary digit - which can be either 1 or 0
Circuit
DMA
Bit
Data
33. Altera HDL; a nonstandard HDL
AHDL
Assembler
Address Bus
Counter
34. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Boundary scan
BEDO DRAM
ABEL(Advance Boolean Expression Language)
Thevenin Equivalent Circuit
35. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
BEDO DRAM
Design flow
Dynamic Memory
Bit time
36. A set of interconnections that interface one or more devices based on a standardized specification
Delta Modulation
Thevenin Equivalent Circuit
Bus
Base address
37. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Bode Plot
Demultiplexer
Dependency notation
Bus interface unit
38. A type of counter in which each stage is clocked from the output of the preceding stage.
Attenuation
Asynchronous counter
Carry generation
Bode Plot
39. Characterized by ten states or values
Decrement
Boolean multiplication
Band- pass filter
Decade
40. A semiconductor device that conducts current in only one direction
Decrement
BIOS
Diode
Address Bus
41. The maximum value of a voltage or current
Commutative Law
Amplitude
BEDO DRAM
DSP
42. A type of IC package whose leads must pass through holes to the other side of a PC board
Dual in - line package
Capacitance
AND
Dividend
43. A digital counter having ten states
Bandwidth
Branch Current
AND
Decade Counter
44. 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.
Array
Augend
Atomic number
Baseline
45. The process of converting an analog signal to digital form
Boolean expression
bed- of- nails
Analog- to- digital (A/D) conversion
Component
46. A type of inductor used to block or choke off high frequencies
Choke
Bus
Carry generation
Component
47. One of the three regions in a bipolar junction transistor
Base
Boolean multiplication
ABEL(Advance Boolean Expression Language)
Binary coded decimal
48. American wire gauge; a standardization based on wire diameter
DSP
Capacitance Reactance
Central processing unit
AWG
49. The process that prevents two sources from using a bus at the same time
Decade
Carry generation
Carry
Bus arbitration
50. Digital audio tape; a type of magnetic tape format
Circuit
DAT
Bus arbitration
Ampere
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