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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. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit
TTL
Vx=(Vs * Rx) /RT
Clock
Bandwidth
2. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Debug
Compiler
Aliasing
Clock
3. One current path in a parallel circuit; a current path that connects two nodes
Data Selector
Charge- coupled device
Branch
CLB (Configurable Logic Block)
4. The time from the application of a valid memory address to the appearance of valid output data
Decimal
Associative law
Dual in - line package
Access time
5. A method of analog- to- digital conversion using a 1- bit quantization process
Delta Modulation
Collector
Binary coded decimal
Aliasing
6. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
DRAM
Bit
Boolean algebra
Bandwidth
7. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
AHDL
ANSI
Decade
DMA
8. In addition - the number that is added to another number called the augend
Analog- to- digital converter(ADC)
Capacitor
Addend
Address Bus
9. 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.
Astable
Array
ANSI
Dividend
10. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Boolean multiplication
Binary coded decimal
Amplitude
Augend
11. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Band- stop filter
DRAM
Cross - assembler
Boolean expression
12. 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.
Bus contention
Circuit
Cascade
Ampere
13. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Associative law
Circuit
Counter
Clock
14. A transformer in which the primary and secondary are in a single winding
Address
Autotransformer
Commutative Law
Analog- to- digital (A/D) conversion
15. A condition where all the load currents are equal and the neutral current is zero
Bode Plot
Balanced Bridge
Byte
Balanced Load
16. Characteristic of cells in a Karnaugh map in which there is a single- variable change from one cell to another cell next to it on any of its four sides
Asynchronous counter
Adjacency
DAT
Ammeter
17. 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.
Boolean algebra
Comparator
Apparent power
Aliasing
18. A combined coder and decoder
Code
Data bus
Bistable
bed- of- nails
19. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Boolean algebra
Comparator
Complement
Choke
20. A unit of the cross - sectional area of a wire.
Norton's Theorem
Circular Mil (CM)
Admittance
Clear
21. The unit of electrical current
Ampere
Capacity
DIMM
Decade
22. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Kirchoff's Current Law(KCL)
Baseline
Capacitor
Demultiplexer
23. Having two opposites charge carriers within the transistor structure
Bipolar
Debug
DSP
Augend
24. 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
Bipolar
Choke
Compiler
ABEL(Advance Boolean Expression Language)
25. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
CPLD
AHDL
Combinational logic
Digital linear tape
26. 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.
Norton's Theorem
Commutative Law
CMOS
Attenuation
27. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Bus contention
Data Sheet
Admittance
CMOS Complementary Metal Oxide Semiconductor
28. The digit generated when the sum of two binary digits exceeds 1
Apparent power
Carry
Circuit
Byte
29. Transistor-Transistor Logic and is implemented with bipolar junction transistors
Complement
Alphanumeric
Bipolar
TTL
30. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Dependency notation
Bit time
Antifuse
Compiler
31. Describes a number system with a base of ten
Decimal
Aliasing
TTL
BJT
32. A set of interconnections that interface one or more devices based on a standardized specification
Bus
CLB (Configurable Logic Block)
Commutative Law
Branch
33. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Bus contention
Component
Analog- to- digital converter(ADC)
Digital linear tape
34. A logic circuit used to add two binary numbers
Address Bus
Distributive Law
Adder
ASCII
35. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Control Unit
Collector
Base
Bus
36. Digital audio tape; a type of magnetic tape format
Alphanumeric
DAT
Autotransformer
Digital linear tape
37. An expression of variables and operators used to express the operation of a logic circuit
Circuit
Circuit Breaker
DSP
Boolean expression
38. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
D Flip-Flop
Capacitance Reactance
Associative law
Binary
39. A circuit that prevents loading of an input or output
Buffer
Combinational logic
Concurrency
Associative law
40. A binary digit - which can be either 1 or 0
Ammeter
Branch
Bit
Adder
41. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Cache memory
Bistable
Controller
Astable
42. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Binary
Concurrency
Demultiplexer
Boundary scan
43. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Clear
ABEL(Advance Boolean Expression Language)
Bode Plot
Center Tap
44. 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
Astable
bed- of- nails
Branch Current
Capacitor
45. Characterized by ten states or values
Decade
Ampere- hour(Ah) rating
Controller
Duty cycle
46. A resettable protective device used for interrupting execessive current in an electric circuit
Ampere- hour(Ah) rating
Bit time
Digital linear tape
Circuit Breaker
47. 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
Choke
Amplitude
Asynchronous counter
Clear
48. The number of protons in a nucleus
Atomic number
Amplitude
Digital linear tape
Bipolar
49. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
DMA
Bode Plot
CLB (Configurable Logic Block)
Dependency notation
50. An electrical instrument used to measure current
Attenuation
BIOS
Ammeter
Addend
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