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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 maximum value of a voltage or current
Current sinking
Decade
Amplitude
Base
2. Sum of all the voltage drops in series equals to the source voltage
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3. The portion within the microprocessor that provides the timing and control signals for getting data into and out of the microprocessor and for synchronizing the execution of instructions.
Ampere
Adjacency
Analog- to- digital converter(ADC)
Control Unit
4. The number of protons in a nucleus
Band- pass filter
Ampere- hour(Ah) rating
Bit time
Atomic number
5. The current left after the total load current is subtracted from the total current into the circuit
CMOS
Center Tap
Ampere
Bleeder Current
6. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Control Unit
Combinational logic
Angular Velocity
Choke
7. American National Standards Institute
Alphanumeric
ANSI
Data Sheet
Adjacency
8. Having two stable states. Flip- flops and latches are bistable multivibrators.
Dual in - line package
Bistable
Decrement
DRAM
9. A type of inductor used to block or choke off high frequencies
Cascade
Choke
Circuit
Boolean multiplication
10. 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
Binary
Assembly language
Bus contention
11. A bidirectional set of conductive paths on which data or instruction codes are transferred into a microprocessor or on which the result of an operation is sent out from the microprocessor
Dividend
Binary coded decimal
Data bus
Kirchoff's Current Law(KCL)
12. 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
Band- pass filter
Angular Velocity
Kirchoff's Current Law(KCL)
13. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
ALU
Design flow
Concurrency
Collector
14. The application of a dc voltage to an electronic device to produce a desired mode of operation
Data Sheet
DTE
Bias
Baseline
15. A series of bits describing a final design that is sent to the target device during programming
Bitstream
Base
Atom
Amplitude
16. 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.
ANSI
Control Unit
Aliasing
BIOS
17. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Decode
Assembly language
DIMM
Band- pass filter
18. The time from the application of a valid memory address to the appearance of valid output data
Collector
Digital linear tape
Access time
Bit time
19. Describes a number system with a base of ten
Decimal
Carry
DSP
ASCII
20. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Binary
D Flip-Flop
Combinational logic
Dependency notation
21. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Ammeter
Cross - assembler
Battery
Boundary scan
22. A circuit that prevents loading of an input or output
Bandwidth
Buffer
Delta Modulation
AND gate
23. The digit generated when the sum of two binary digits exceeds 1
Clear
Controller
Carry
Duty cycle
24. In addition - the number that is added to another number called the augend
Addend
Carry
Bode Plot
CMOS Complementary Metal Oxide Semiconductor
25. 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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26. In Boolean algebra - the OR operation
Atom
Delta Modulation
Charge
Boolean addition
27. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Dynamic Memory
Collector
Ampere
Bit time
28. A type of IC package whose leads must pass through holes to the other side of a PC board
AND
Delta Modulation
Dual in - line package
Decade Counter
29. A digital counter having ten states
Buffer
Dependency notation
Bandwidth
Decade Counter
30. One current path in a parallel circuit; a current path that connects two nodes
CLB (Configurable Logic Block)
Branch
Data Selector
Addend
31. Data Terminal equipment
DTE
Data bus
Assembler
Angular Velocity
32. A type of counter in which each stage is clocked from the output of the preceding stage.
Asynchronous counter
Cascade
DSP
Circuit
33. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
AND array
Circuit
Circular Mil (CM)
Baseline
34. 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
Base
DSP
Closed circuit
35. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Data bus
Dynamic Memory
Comparator
AND gate
36. The mathematics of logic circuits
Cache memory
Boolean algebra
Current sinking
Bidirectional shift Register
37. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Dual in - line package
Admittance
Bipolar
Augend
38. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
ABEL(Advance Boolean Expression Language)
Capacitor
Cache memory
Atom
39. A program that converts English- like mnemonics into machine code
CPLD
Astable
Amplitude
Assembler
40. A digital circuit device that converts coded information into another (familiar) or noncoded form
Decoder
Branch Current
Combinational logic
Delta Modulation
41. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
Don't Care...
Band- stop filter
Astable
CPLD
42. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
DRAM
Counter
Admittance
Balanced Load
43. A binary digit - which can be either 1 or 0
Bus contention
Bit
Carry generation
Base address
44. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
DMA
Band- pass filter
Array
DSP
45. Altera HDL; a nonstandard HDL
Battery
AHDL
ABEL(Advance Boolean Expression Language)
Dynamic Memory
46. A type of magnetic tape format
Circular Mil (CM)
Aliasing
Capacitance Reactance
Digital linear tape
47. The process of converting an analog signal to digital form
Antifuse
Cross - assembler
Distributive Law
Analog- to- digital (A/D) conversion
48. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Apparent power
Thevenin Equivalent Circuit
Base address
Baseline
49. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
Addend
Bleeder Current
DRAM
Norton's Theorem
50. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Commutative Law
Choke
Addend
ANSI