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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. Having two stable states. Flip- flops and latches are bistable multivibrators.
Bistable
Decrement
Ammeter
Base address
2. A programming language that uses English like words and has a one- to- one correspondence to machine language
CMOS Complementary Metal Oxide Semiconductor
Assembly language
Bode Plot
Balanced Bridge
3. American wire gauge; a standardization based on wire diameter
Debug
Angular Velocity
AWG
Addend
4. 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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5. 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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6. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Decrement
Kirchoff's Voltage Law
Address Bus
ALU
7. A type of counter in which each stage is clocked from the output of the preceding stage.
Asynchronous counter
Capacitance Reactance
AWG
ABEL(Advance Boolean Expression Language)
8. Dual in - line memory module
Data
DIMM
Decimal
Central processing unit
9. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
BEDO DRAM
Concurrency
Base address
Decimal
10. The process of converting an analog signal to digital form
Analog- to- digital (A/D) conversion
BEDO DRAM
TTL
Controller
11. An expression of variables and operators used to express the operation of a logic circuit
Boolean multiplication
Boolean expression
Decrement
Collector
12. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Ampere
Data bus
Bus contention
Data
13. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
AND gate
Admittance
DMA
Combinational logic
14. In Boolean algebra - the OR operation
AND
Base address
Boolean addition
Data Selector
15. A set of conductive paths hat connects the CPU to other parts of the computer to coordinate its operations and to communicate with external devices
Control Bus
Decade
Duty cycle
Combinational logic
16. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Analog- to- digital (A/D) conversion
Bus arbitration
BJT
Astable
17. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Delta Modulation
DTE
ANSI
Angular Velocity
18. A device used to convert an analog signal to a sequence of digital codes
Analog- to- digital converter(ADC)
Capacitance
Demultiplexer
Access time
19. The current left after the total load current is subtracted from the total current into the circuit
Kirchoff's Current Law(KCL)
Bus interface unit
Acceptor
Bleeder Current
20. American National Standards Institute
Addend
Data bus
Ampere- hour(Ah) rating
ANSI
21. 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.
Charge
Ampere- hour(Ah) rating
Bit
Circuit
22. A type of inductor used to block or choke off high frequencies
Choke
Assembler
Circuit
Branch Current
23. 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.
Clock
Bit time
Aliasing
Circuit Breaker
24. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Current sinking
Central processing unit
ASCII
Branch
25. A two terminal circuit containing voltage sources - current sources - and resistors can be modeled as a voltage source in series with a resistor
Demultiplexer
Thevenin Equivalent Circuit
Circular Mil (CM)
Access time
26. The application of a dc voltage to an electronic device to produce a desired mode of operation
Augend
Bias
Carry generation
Current sinking
27. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Attenuation
Address Bus
Collector
Band- pass filter
28. A series of bits describing a final design that is sent to the target device during programming
ANSI
Center Tap
Bitstream
Commutative Law
29. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
DCE
Battery
TTL
Debug
30. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Amplitude
Bistable
Circuit
Decode
31. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
bed- of- nails
Antifuse
Data bus
Apparent power
32. 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
Don't Care...
Antifuse
DTE
Bode Plot
33. Having two opposites charge carriers within the transistor structure
Bipolar
Vx=(Vs * Rx) /RT
Base
Acceptor
34. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Capacitance Reactance
Data Sheet
Thevenin Equivalent Circuit
Bit time
35. 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.
Control Bus
BEDO DRAM
DAT
Data Selector
36. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Array
Capacitance Reactance
Astable
Balanced Bridge
37. A software compiler language for SPLD programming; a type of hardware description language (HDL)
ABEL(Advance Boolean Expression Language)
Angular Velocity
CMOS
Thevenin Equivalent Circuit
38. Altera HDL; a nonstandard HDL
Bandwidth
Decrement
AHDL
Digital linear tape
39. The process of producing an output carry in full- adder when both input bits are 1s.
Carry generation
Balanced Bridge
Address Bus
Comparator
40. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Control Bus
Cache memory
Adjacency
Bandwidth
41. A resettable protective device used for interrupting execessive current in an electric circuit
Asynchronous counter
Circuit Breaker
Norton's Theorem
Delta Modulation
42. The action of a circuit in which it accepts current into its output from a load
Current sinking
Capacity
DCE
Complement
43. 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
BJT
Addend
Amplitude
Compiler
44. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Buffer
Decode
Compiler
Distributive Law
45. The smallest particle of an element possessing the unique characteristics of that element.
Atom
Band- pass filter
Bus interface unit
Analog
46. 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
TTL
Assembler
Compiler
bed- of- nails
47. The unit of electrical current
Branch
BEDO DRAM
Ampere
Boolean multiplication
48. In Boolean algebra - the AND operation
Comparator
Boolean multiplication
Circuit
Concurrency
49. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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50. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit
Clear
AHDL
Decimal
Vx=(Vs * Rx) /RT
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