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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. A method of analog- to- digital conversion using a 1- bit quantization process
Bidirectional shift Register
Data
Delta Modulation
Alphanumeric
2. Dual in - line memory module
Dual in - line package
DIMM
Adder
Component
3. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Decade
Antifuse
Acceptor
Dependency notation
4. A semiconductor device that conducts current in only one direction
Diode
Bidirectional shift Register
Band- stop filter
Collector
5. A class of integrated logic circuits that is implemented with a type of field effect transistor
Data Sheet
CMOS Complementary Metal Oxide Semiconductor
Comparator
Boundary scan
6. 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.
Circuit
ASCII
Decrement
Base address
7. The smallest particle of an element possessing the unique characteristics of that element.
Atom
Attenuation
Acceptor
Associative law
8. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Autotransformer
Decode
ABEL(Advance Boolean Expression Language)
Assembler
9. A type of IC package whose leads must pass through holes to the other side of a PC board
Binary
Dual in - line package
Don't Care...
Compiler
10. One current path in a parallel circuit; a current path that connects two nodes
Decimal
AND gate
Branch
Center Tap
11. Information in numeric - alphabetic - or other form.
Bus interface unit
Kirchoff's Current Law(KCL)
Data
Capacitor
12. 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.
Atomic number
Delta Modulation
Data Selector
Choke
13. 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
Compiler
Atom
Circuit
BIOS
14. 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
Ampere- hour(Ah) rating
Baseline
DSP
Assembler
15. An asynchronous input used to reset a flip- flop (make the Q output 0); to place a register or counter in the state in which it contains all 0's
Clear
Alphanumeric
Boolean expression
AND array
16. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
CPLD
Atom
Concurrency
CMOS
17. The mathematics of logic circuits
Boolean algebra
Cross - assembler
AND
Antifuse
18. A type of inductor used to block or choke off high frequencies
Boolean algebra
Choke
Atomic number
Adder
19. A group of eight bits
Demultiplexer
Atom
Cross - assembler
Byte
20. A connection at the midpoint of a winding in a transformer
Choke
Data bus
Binary
Center Tap
21. A device used to convert an analog signal to a sequence of digital codes
AWG
Analog- to- digital converter(ADC)
Dynamic Memory
Bandwidth
22. The process of producing an output carry in full- adder when both input bits are 1s.
Band- pass filter
Bus interface unit
Carry generation
ABEL(Advance Boolean Expression Language)
23. 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.
AND gate
Controller
Cache memory
DAT
24. Digital Signal Processor; a special type of microprocessor that processes data in real time
Bias
DSP
Bleeder Current
Band- stop filter
25. 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
Capacitance
BJT
Attenuation
Vx=(Vs * Rx) /RT
26. A program that converts English- like mnemonics into machine code
Ampere
Cascade
Central processing unit
Assembler
27. The beginning address of a segment of memory
DRAM
Boolean expression
Base address
Bus arbitration
28. 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
AND
Adjacency
DMA
Choke
29. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Capacitor
Bit time
Distributive Law
Comparator
30. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Boolean addition
Demultiplexer
Dynamic Memory
Amplitude
31. Having two opposites charge carriers within the transistor structure
Bipolar
Circuit
Adder
Amplitude
32. 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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33. American National Standards Institute
Assembly language
ANSI
Bistable
Commutative Law
34. An electrical instrument used to measure current
AWG
Binary
Analog
Ammeter
35. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
Apparent power
AND
Bias
Capacity
36. The ratio of pulse width to period expressed as a percentage
Current sinking
Duty cycle
Assembler
Acceptor
37. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Atom
Bitstream
Atomic number
Combinational logic
38. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Concurrency
BIOS
Carry generation
BJT
39. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Component
Comparator
Charge- coupled device
Acceptor
40. 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
Center Tap
Assembler
Capacitance
bed- of- nails
41. A series of bits describing a final design that is sent to the target device during programming
Assembler
Angular Velocity
AND array
Bitstream
42. 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.
Base
Boolean addition
Array
Decade Counter
43. A unit of the cross - sectional area of a wire.
TTL
BEDO DRAM
D Flip-Flop
Circular Mil (CM)
44. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
Comparator
Aliasing
DRAM
AND array
45. A digital circuit device that converts coded information into another (familiar) or noncoded form
Decoder
Bus arbitration
Bus interface unit
Code
46. Sum of all the voltage drops in series equals to the source voltage
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47. Burst extended data output dynamic random- access memory
Dividend
Choke
Access time
BEDO DRAM
48. The process that prevents two sources from using a bus at the same time
Bus arbitration
Cascade
ASCII
Distributive Law
49. 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
Base
CMOS
Bode Plot
Boolean multiplication
50. In Boolean algebra - the OR operation
Boolean addition
Choke
Binary
Carry
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