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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 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
Address
Capacitance Reactance
ANSI
Bode Plot
2. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
CPLD
Bus contention
AND
Kirchoff's Current Law(KCL)
3. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Apparent power
Debug
Capacitance
Decrement
4. In Boolean algebra - the AND operation
Thevenin Equivalent Circuit
Amplitude
Boolean multiplication
Circular Mil (CM)
5. American wire gauge; a standardization based on wire diameter
AWG
Decade Counter
Commutative Law
Duty cycle
6. A series of bits describing a final design that is sent to the target device during programming
Boolean multiplication
Bitstream
Design flow
Boolean addition
7. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
Current sinking
AND
Bitstream
Carry generation
8. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Combinational logic
Acceptor
Bode Plot
Address
9. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Alphanumeric
Collector
Distributive Law
Array
10. Data Communications equipment
AND array
Control Bus
Bistable
DCE
11. In addition - the number to which the addend is added
Boolean algebra
Address Bus
Augend
bed- of- nails
12. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
Baseline
Capacitance Reactance
Branch Current
CMOS Complementary Metal Oxide Semiconductor
13. A method of analog- to- digital conversion using a 1- bit quantization process
ASCII
Delta Modulation
Dependency notation
Code
14. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Carry propagation
Balanced Bridge
Circular Mil (CM)
CLB (Configurable Logic Block)
15. A set of interconnections that interface one or more devices based on a standardized specification
CPLD
Design flow
Balanced Bridge
Bus
16. One current path in a parallel circuit; a current path that connects two nodes
Collector
BEDO DRAM
Band- pass filter
Branch
17. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Dividend
Boolean expression
Dependency notation
Ampere- hour(Ah) rating
18. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Cross - assembler
Debug
Bit time
Assembler
19. 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.
Data bus
Control Bus
Controller
Bus contention
20. Burst extended data output dynamic random- access memory
Aliasing
DAT
Collector
BEDO DRAM
21. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Admittance
Autotransformer
BJT
Counter
22. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Bias
D Flip-Flop
Dynamic Memory
DMA
23. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Angular Velocity
Branch
Boolean algebra
Charge- coupled device
24. Digital Signal Processor; a special type of microprocessor that processes data in real time
bed- of- nails
Atomic number
Charge
DSP
25. 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
Alphanumeric
Byte
Clear
Comparator
26. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Combinational logic
Astable
Dual in - line package
Dependency notation
27. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Carry generation
Battery
Bus contention
Demultiplexer
28. The ratio of pulse width to period expressed as a percentage
Closed circuit
Decoder
Battery
Duty cycle
29. A digital circuit device that converts coded information into another (familiar) or noncoded form
Kirchoff's Current Law(KCL)
Adjacency
Decoder
AHDL
30. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Distributive Law
bed- of- nails
ABEL(Advance Boolean Expression Language)
Bit
31. The mathematics of logic circuits
AND
Boolean algebra
Architecture
Charge- coupled device
32. An electrical instrument used to measure current
AHDL
Charge
Ammeter
Augend
33. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Branch
Cache memory
Binary
Adjacency
34. 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.
Carry generation
Bandwidth
Demultiplexer
Bus arbitration
35. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Data Sheet
Baseline
Bistable
Assembler
36. A resettable protective device used for interrupting execessive current in an electric circuit
Collector
Base address
Admittance
Circuit Breaker
37. 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
Thevenin Equivalent Circuit
bed- of- nails
Norton's Theorem
Bit time
38. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Analog
Antifuse
Base address
Decode
39. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Component
Data bus
Aliasing
Comparator
40. 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
Complement
Clock
Compiler
Commutative Law
41. The ability of a capacitor to store electrical charge.
Autotransformer
Capacitance
Duty cycle
Boolean algebra
42. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Access time
Component
Bus contention
Bus interface unit
43. American National Standards Institute
AWG
CMOS Complementary Metal Oxide Semiconductor
Assembler
ANSI
44. A class of integrated logic circuits that is implemented with a type of field effect transistor
Dependency notation
Bus
TTL
CMOS Complementary Metal Oxide Semiconductor
45. The current left after the total load current is subtracted from the total current into the circuit
Band- stop filter
CPLD
Access time
Bleeder Current
46. Sum of all the voltage drops in series equals to the source voltage
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47. 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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48. A type of magnetic tape format
Digital linear tape
Amplitude
Control Unit
Data bus
49. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
ALU
Compiler
DSP
Band- stop filter
50. 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
Design flow
Alphanumeric
BEDO DRAM
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