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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 unit of electrical current
Choke
Ampere
Charge- coupled device
Ampere- hour(Ah) rating
2. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
D Flip-Flop
Counter
Array
Dynamic Memory
3. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
bed- of- nails
Angular Velocity
ANSI
Capacitance
4. The ability of a capacitor to store electrical charge.
Analog
Branch
Capacitance
Assembler
5. American wire gauge; a standardization based on wire diameter
AWG
Binary
Base
Dependency notation
6. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
CPLD
Amplitude
Bus
Distributive Law
7. A logic circuit used to add two binary numbers
Adder
Binary coded decimal
Associative law
ANSI
8. A unit of logic in an FPGA that is made up of multiple smaller logic modules and a local programmable interconnect that is used to connect logic modules within the CLB
CLB (Configurable Logic Block)
Array
Bus arbitration
BJT
9. A type of counter in which each stage is clocked from the output of the preceding stage.
Battery
Analog- to- digital (A/D) conversion
AHDL
Asynchronous counter
10. A binary digit - which can be either 1 or 0
Thevenin Equivalent Circuit
Charge
Analog- to- digital converter(ADC)
Bit
11. A set of interconnections that interface one or more devices based on a standardized specification
Astable
Amplitude
Band- stop filter
Bus
12. In a division operation the quantity that is being divided
Byte
Dividend
Average value
Component
13. 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.
Control Unit
Architecture
AND array
Ampere
14. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Capacitance
Boundary scan
ALU
Decrement
15. American Standard Code for Information Interchange; the most widely used alphanumeric code.
Bias
Data
ASCII
Don't Care...
16. One current path in a parallel circuit; a current path that connects two nodes
Branch
Compiler
Asynchronous counter
Delta Modulation
17. The application of a dc voltage to an electronic device to produce a desired mode of operation
Address
Bias
Attenuation
Addend
18. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Band- stop filter
Central processing unit
Analog- to- digital converter(ADC)
Associative law
19. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Boolean expression
Dynamic Memory
Acceptor
Cascade
20. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
Data
Address
D Flip-Flop
Decoder
21. The process of producing an output carry in full- adder when both input bits are 1s.
Analog- to- digital (A/D) conversion
Atomic number
Commutative Law
Carry generation
22. The ratio of pulse width to period expressed as a percentage
Asynchronous counter
AHDL
Bit
Duty cycle
23. In addition - the number that is added to another number called the augend
Delta Modulation
Addend
Dependency notation
Capacitor
24. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Atomic number
AND gate
Charge
Don't Care...
25. The inverse of opposite of a number - in Boolean algebra - the inverse function - expressed with a bar over the variable. The complement of a 1 is a 0 - and vice versa
AND
Data bus
Complement
Charge- coupled device
26. A class of integrated logic circuits that is implemented with a type of field effect transistor
CMOS Complementary Metal Oxide Semiconductor
Assembler
Antifuse
D Flip-Flop
27. Data Terminal equipment
DTE
Bode Plot
Bidirectional shift Register
Adjacency
28. A combined coder and decoder
Astable
Byte
Code
Boolean algebra
29. 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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on line
183
30. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Admittance
Attenuation
Bus interface unit
Debug
31. A device used to convert an analog signal to a sequence of digital codes
Analog- to- digital converter(ADC)
Branch
Adder
Base
32. An expression of variables and operators used to express the operation of a logic circuit
Circuit Breaker
Boolean expression
ABEL(Advance Boolean Expression Language)
Analog- to- digital (A/D) conversion
33. A document that specifies parameter values and operating conditions for an integrated circuits or other device
DIMM
Circular Mil (CM)
Combinational logic
Data Sheet
34. Transistor-Transistor Logic and is implemented with bipolar junction transistors
DIMM
Circular Mil (CM)
Base
TTL
35. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Combinational logic
Cascade
Address Bus
Baseline
36. The time from the application of a valid memory address to the appearance of valid output data
Bus contention
Access time
AND array
Ampere
37. The number of protons in a nucleus
Boolean expression
Atomic number
Base
Ammeter
38. Having two stable states. Flip- flops and latches are bistable multivibrators.
bed- of- nails
Cascade
Bistable
DMA
39. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.
Control Unit
Astable
Bipolar
Average value
40. A type of inductor used to block or choke off high frequencies
Choke
AND array
Dual in - line package
Boolean expression
41. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Circuit
Branch Current
Adder
DRAM
42. 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
bed- of- nails
Boolean multiplication
Control Unit
Comparator
43. Dual in - line memory module
Digital linear tape
DIMM
ALU
Circuit
44. To connect 'end- to- end' as when several counters are connected from the terminal count output of one counter to the enable input of the next counter
Cascade
Bipolar
Battery
Bleeder Current
45. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
ASCII
Control Bus
Decode
Kirchoff's Voltage Law
46. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Dependency notation
Boolean algebra
Bistable
Atom
47. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Address Bus
Cross - assembler
Controller
Boolean expression
48. One of the three regions in a bipolar junction transistor
Angular Velocity
AND gate
Boolean algebra
Base
49. Digital Signal Processor; a special type of microprocessor that processes data in real time
Addend
DSP
DIMM
Byte
50. The process or sequence of operations carried out to program a target device
Clock
Design flow
Carry generation
Alphanumeric