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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 for internally testing a PLD based on the JTAG standard (IEEE std.)
Bus
Boundary scan
Don't Care...
Charge
2. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Control Bus
Bias
Dependency notation
Band- stop filter
3. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Compiler
Ampere
Angular Velocity
Bit
4. A logic circuit used to add two binary numbers
Adder
Comparator
Bipolar
Amplitude
5. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
DSP
Address Bus
Address
Boundary scan
6. The unit of electrical current
Ampere
Array
Binary coded decimal
Bias
7. Information in numeric - alphabetic - or other form.
Data
Clear
Boolean addition
Assembler
8. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Antifuse
Data bus
Bistable
Bit
9. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Capacitance Reactance
Compiler
Boolean expression
Dual in - line package
10. 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
Analog- to- digital (A/D) conversion
Code
Bit
11. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
DSP
DTE
Bit time
Binary coded decimal
12. A type of inductor used to block or choke off high frequencies
Analog- to- digital converter(ADC)
D Flip-Flop
Choke
Acceptor
13. A semiconductor device that conducts current in only one direction
Diode
Branch Current
Antifuse
Boolean expression
14. 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
Associative law
Atomic number
DTE
15. The process of rippling an input carry to become the output carry in a full- adder when either or both of the input bits are 1's and the input carry is a 1
Boolean multiplication
AWG
Carry propagation
Assembly language
16. The process of converting an analog signal to digital form
ABEL(Advance Boolean Expression Language)
Apparent power
Delta Modulation
Analog- to- digital (A/D) conversion
17. 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.
Branch Current
Data Selector
CLB (Configurable Logic Block)
Analog
18. A group of eight bits
Debug
CPLD
Commutative Law
Byte
19. A unit of the cross - sectional area of a wire.
Balanced Bridge
Circular Mil (CM)
Capacitance Reactance
Boolean expression
20. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
bed- of- nails
Debug
D Flip-Flop
Bus interface unit
21. The current left after the total load current is subtracted from the total current into the circuit
Bleeder Current
Assembly language
ABEL(Advance Boolean Expression Language)
Boundary scan
22. The basic timing signal in a digital system; a periodic waveform in which the interval between pulses equals the time for one bit; the triggering input of a flip- flop
Circular Mil (CM)
Decrement
Clock
Bipolar
23. Describes a number system with a base of ten
Acceptor
Decimal
Apparent power
Concurrency
24. The mathematics of logic circuits
Capacitance Reactance
Base address
Boolean algebra
Vx=(Vs * Rx) /RT
25. The process that prevents two sources from using a bus at the same time
Circuit
Bus arbitration
Adder
BIOS
26. Characterized by ten states or values
Baseline
Decade
Counter
Demultiplexer
27. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
DMA
Alphanumeric
Carry propagation
Decode
28. In addition - the number to which the addend is added
CPLD
Augend
Architecture
Data Selector
29. A type of IC package whose leads must pass through holes to the other side of a PC board
Dual in - line package
Bus arbitration
Bias
Bit
30. 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
Boolean expression
Combinational logic
31. A class of integrated logic circuits that is implemented with a type of field effect transistor
Apparent power
Charge
Analog
CMOS Complementary Metal Oxide Semiconductor
32. 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
Comparator
BEDO DRAM
Compiler
Assembler
33. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
DCE
Controller
CPLD
Adjacency
34. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Dividend
Boolean multiplication
Component
Decrement
35. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
Baseline
Architecture
Counter
Digital linear tape
36. An expression of variables and operators used to express the operation of a logic circuit
Boolean expression
AND gate
Don't Care...
Analog- to- digital (A/D) conversion
37. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.
Controller
Average value
Dividend
CLB (Configurable Logic Block)
38. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Boolean expression
Dependency notation
Carry propagation
Astable
39. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Carry
Address
Boolean addition
Clock
40. American Standard Code for Information Interchange; the most widely used alphanumeric code.
Controller
ASCII
Byte
Decode
41. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
D Flip-Flop
Delta Modulation
Architecture
Component
42. Having two opposites charge carriers within the transistor structure
Boundary scan
ASCII
Closed circuit
Bipolar
43. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Bus
CPLD
Boolean multiplication
Circuit
44. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Data Sheet
Admittance
Bit
Band- pass filter
45. A program that converts English- like mnemonics into machine code
Bus contention
Current sinking
Assembler
DTE
46. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Collector
Carry propagation
ASCII
Commutative Law
47. An electrical instrument used to measure current
Admittance
Charge- coupled device
Array
Ammeter
48. 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
Analog- to- digital converter(ADC)
Carry propagation
Ampere- hour(Ah) rating
Antifuse
49. 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.
Branch
Array
Assembly language
Diode
50. American wire gauge; a standardization based on wire diameter
Balanced Load
AWG
Bitstream
Astable