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Test your basic knowledge |
Digital Fundamentals
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Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
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.
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. Consisting of numerals - letters - and other characters
CMOS Complementary Metal Oxide Semiconductor
Alphanumeric
Kirchoff's Current Law(KCL)
Binary coded decimal
2. Information in numeric - alphabetic - or other form.
Duty cycle
Data
Debug
Circuit Breaker
3. To decrease the binary state of a counter by one
Control Bus
Adjacency
Ammeter
Decrement
4. The smallest particle of an element possessing the unique characteristics of that element.
Current sinking
Delta Modulation
Admittance
Atom
5. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
ALU
Adjacency
Analog- to- digital (A/D) conversion
Associative law
6. The ability of a capacitor to store electrical charge.
Circular Mil (CM)
Array
Analog
Capacitance
7. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Boolean addition
Charge- coupled device
Boolean algebra
Decade
8. A circuit that prevents loading of an input or output
Battery
Capacitance Reactance
Buffer
DRAM
9. A logic circuit used to add two binary numbers
Augend
Distributive Law
Decade Counter
Adder
10. The beginning address of a segment of memory
Data bus
Decade Counter
Data
Base address
11. In a division operation the quantity that is being divided
Dividend
Delta Modulation
ASCII
Bleeder Current
12. American Standard Code for Information Interchange; the most widely used alphanumeric code.
ASCII
Amplitude
DMA
Antifuse
13. A programming language that uses English like words and has a one- to- one correspondence to machine language
Duty cycle
Bit
Assembly language
Charge
14. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Collector
Band- pass filter
ABEL(Advance Boolean Expression Language)
Digital linear tape
15. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
BJT
ALU
Clear
Band- pass filter
16. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Debug
Delta Modulation
Dual in - line package
Decoder
17. A combined coder and decoder
AND gate
Code
Bit time
Adjacency
18. A type of IC package whose leads must pass through holes to the other side of a PC board
Attenuation
Amplitude
Dual in - line package
Digital linear tape
19. A type of counter in which each stage is clocked from the output of the preceding stage.
Antifuse
Norton's Theorem
Asynchronous counter
Circuit Breaker
20. A resettable protective device used for interrupting execessive current in an electric circuit
Battery
Circuit Breaker
Base address
Baseline
21. A connection at the midpoint of a winding in a transformer
BJT
Base address
Ampere
Center Tap
22. American National Standards Institute
Bitstream
Boolean addition
Balanced Load
ANSI
23. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
BIOS
Angular Velocity
Bus arbitration
Component
24. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Carry generation
Circuit Breaker
Cache memory
Charge
25. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Decrement
Balanced Load
Dependency notation
Amplitude
26. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Boundary scan
D Flip-Flop
Adder
Boolean expression
27. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
Don't Care...
DRAM
Bus interface unit
Dependency notation
28. American wire gauge; a standardization based on wire diameter
AWG
Balanced Load
Analog- to- digital (A/D) conversion
Attenuation
29. In addition - the number to which the addend is added
Acceptor
Attenuation
Decimal
Augend
30. 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.
Ampere
Boolean expression
Digital linear tape
Controller
31. A digital circuit device that converts coded information into another (familiar) or noncoded form
Amplitude
ASCII
Decoder
Distributive Law
32. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Bandwidth
Capacitance
Don't Care...
Balanced Bridge
33. The mathematics of logic circuits
Bitstream
Capacitance Reactance
Ampere
Boolean algebra
34. The application of a dc voltage to an electronic device to produce a desired mode of operation
Band- stop filter
Bias
Attenuation
Decade
35. The process of producing an output carry in full- adder when both input bits are 1s.
Angular Velocity
Assembler
Baseline
Carry generation
36. A interconnection of electrical components designed to produce a desired result. A basic circuits consists of a source - a load and an interconnecting current path.
DCE
Circuit
Analog- to- digital converter(ADC)
Compiler
37. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
Decade Counter
AND
Bias
CPLD
38. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Band- stop filter
Autotransformer
Bus
Cache memory
39. 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.
Concurrency
AND array
Combinational logic
Attenuation
40. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
ANSI
Center Tap
Boolean expression
Combinational logic
41. 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.
Aliasing
Carry generation
Address Bus
Bus arbitration
42. The time from the application of a valid memory address to the appearance of valid output data
Adder
Access time
Current sinking
ANSI
43. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
Don't Care...
Atom
DMA
Baseline
44. One current path in a parallel circuit; a current path that connects two nodes
Ampere- hour(Ah) rating
Decade Counter
Circular Mil (CM)
Branch
45. 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.
Analog- to- digital converter(ADC)
Array
CMOS Complementary Metal Oxide Semiconductor
D Flip-Flop
46. A class of integrated logic circuits that is implemented with a type of field effect transistor
DTE
CMOS Complementary Metal Oxide Semiconductor
Ampere
Bistable
47. Characterized by ten states or values
Bus interface unit
Debug
Decade
Capacitor
48. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Boolean algebra
CLB (Configurable Logic Block)
Commutative Law
Address Bus
49. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Dynamic Memory
Balanced Bridge
Amplitude
Capacitance Reactance
50. A digital counter having ten states
Decade Counter
Bipolar
CLB (Configurable Logic Block)
Bus interface unit
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