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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. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Balanced Load
Circuit
Comparator
Boolean algebra
2. Digital audio tape; a type of magnetic tape format
DAT
DRAM
Average value
Ampere- hour(Ah) rating
3. The process of producing an output carry in full- adder when both input bits are 1s.
Atom
Carry generation
Boolean multiplication
Astable
4. 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
Bode Plot
BJT
Astable
Addend
5. A digital counter having ten states
Circuit Breaker
Dependency notation
Decade Counter
Atom
6. A unit of the cross - sectional area of a wire.
Circular Mil (CM)
Central processing unit
Clock
Clear
7. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Assembly language
Base address
Address Bus
Commutative Law
8. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
CPLD
Commutative Law
Distributive Law
Digital linear tape
9. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.
Kirchoff's Voltage Law
Asynchronous counter
Data Selector
Average value
10. 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
Data Selector
Circuit
Boolean algebra
11. A reduction of the output signal compared to the input signal - resulting in a ratio with a value of less than 1 for the output voltage to the input voltage of a circuit.
AWG
Cache memory
Boolean multiplication
Attenuation
12. The current left after the total load current is subtracted from the total current into the circuit
CLB (Configurable Logic Block)
Bistable
Addend
Bleeder Current
13. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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14. Having two directions. the stored data can be shifted right or left
Bidirectional shift Register
Binary coded decimal
Address
Decode
15. 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.
Decrement
Angular Velocity
Attenuation
Aliasing
16. Characterized by ten states or values
Decade
Data
Center Tap
Associative law
17. A type of inductor used to block or choke off high frequencies
Augend
Boolean algebra
Choke
Bus contention
18. A group of eight bits
Commutative Law
Central processing unit
Ammeter
Byte
19. The process or sequence of operations carried out to program a target device
TTL
Charge- coupled device
Design flow
BEDO DRAM
20. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Carry
AND array
Bus interface unit
Concurrency
21. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Debug
Amplitude
Average value
Amplitude
22. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Bipolar
Decimal
Address Bus
Bitstream
23. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Antifuse
CMOS Complementary Metal Oxide Semiconductor
Atom
Capacitor
24. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Adjacency
Boolean expression
Capacitance Reactance
Decoder
25. A circuit that prevents loading of an input or output
Bistable
DTE
Buffer
CMOS
26. The application of a dc voltage to an electronic device to produce a desired mode of operation
Cascade
TTL
Bias
Decade Counter
27. 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.
Current sinking
Access time
Controller
AND
28. The time from the application of a valid memory address to the appearance of valid output data
CMOS
Access time
Associative law
Capacity
29. Information in numeric - alphabetic - or other form.
Data
Carry
Asynchronous counter
Capacitance
30. The number of protons in a nucleus
DTE
Atomic number
Binary
Kirchoff's Current Law(KCL)
31. Data Communications equipment
Address Bus
Carry generation
DCE
Choke
32. 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
Astable
Digital linear tape
Addend
Clock
33. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Compiler
Band- stop filter
Delta Modulation
CMOS
34. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Autotransformer
Address
Bus interface unit
Branch
35. One current path in a parallel circuit; a current path that connects two nodes
BJT
Branch
AWG
Adder
36. 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
Balanced Load
Boolean expression
Bit
bed- of- nails
37. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
Boolean multiplication
D Flip-Flop
Dependency notation
Ammeter
38. A set of interconnections that interface one or more devices based on a standardized specification
DTE
Antifuse
Code
Bus
39. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Balanced Load
Bistable
Comparator
Capacitor
40. An expression of variables and operators used to express the operation of a logic circuit
Bistable
DIMM
Bidirectional shift Register
Boolean expression
41. 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.
Decode
Thevenin Equivalent Circuit
Control Unit
ASCII
42. The ratio of pulse width to period expressed as a percentage
Don't Care...
Duty cycle
Data Selector
Kirchoff's Current Law(KCL)
43. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Duty cycle
Bode Plot
Autotransformer
Combinational logic
44. Transistor-Transistor Logic and is implemented with bipolar junction transistors
Data Sheet
Bandwidth
DAT
TTL
45. 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
Alphanumeric
Bus interface unit
Circular Mil (CM)
46. A logic circuit used to add two binary numbers
DIMM
Admittance
Ampere- hour(Ah) rating
Adder
47. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Charge
Binary coded decimal
DAT
Access time
48. The beginning address of a segment of memory
Charge
Assembler
Capacitor
Base address
49. A digital circuit device that converts coded information into another (familiar) or noncoded form
Base address
Bode Plot
Decoder
ALU
50. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
Vx=(Vs * Rx) /RT
BIOS
Amplitude
Battery