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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. Information in numeric - alphabetic - or other form.
Commutative Law
Data
Band- stop filter
Demultiplexer
2. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
AND
Atomic number
Amplitude
Diode
3. Characterized by ten states or values
Compiler
Decade Counter
DRAM
Decade
4. Transistor-Transistor Logic and is implemented with bipolar junction transistors
Kirchoff's Current Law(KCL)
TTL
Angular Velocity
Byte
5. 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.
Array
Bus
Atom
Clock
6. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Data Selector
Decade Counter
Boundary scan
Boolean expression
7. American Standard Code for Information Interchange; the most widely used alphanumeric code.
Decade
ASCII
BJT
DIMM
8. In addition - the number to which the addend is added
Capacitor
ANSI
Augend
Assembly language
9. A logic circuit used to add two binary numbers
Alphanumeric
Thevenin Equivalent Circuit
Antifuse
Adder
10. 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
ASCII
Carry generation
Bidirectional shift Register
11. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Angular Velocity
Associative law
Circuit
Circuit Breaker
12. Digital Signal Processor; a special type of microprocessor that processes data in real time
Thevenin Equivalent Circuit
Bitstream
Bistable
DSP
13. A number given in ampere- hours determined by multiplying the current times the length of the time (h) a battery can deliver that current to a load
Atomic number
BJT
Collector
Ampere- hour(Ah) rating
14. A program that converts English- like mnemonics into machine code
Admittance
Cross - assembler
Boolean expression
Assembler
15. In Boolean algebra - the OR operation
Decade Counter
Diode
DCE
Boolean addition
16. 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
Bleeder Current
Dependency notation
Data bus
AND gate
17. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
DSP
AHDL
Component
Apparent power
18. 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
Adjacency
Architecture
BJT
BIOS
19. An array of AND gates consisting of a matrix of programmable interconnection
Amplitude
Commutative Law
Amplitude
AND array
20. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Access time
Admittance
DAT
CMOS
21. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
bed- of- nails
Counter
Vx=(Vs * Rx) /RT
Charge
22. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
Delta Modulation
DSP
CMOS
Carry generation
23. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Distributive Law
Clear
Bandwidth
Cache memory
24. A type of IC package whose leads must pass through holes to the other side of a PC board
Alphanumeric
Clock
Dual in - line package
Decrement
25. A circuit with a complete current path
Vx=(Vs * Rx) /RT
Digital linear tape
Bitstream
Closed circuit
26. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
Boundary scan
Decrement
DMA
Combinational logic
27. A unit of the cross - sectional area of a wire.
Circular Mil (CM)
Bode Plot
Assembly language
Alphanumeric
28. In a division operation the quantity that is being divided
Complement
Clear
Dividend
Assembly language
29. The beginning address of a segment of memory
Kirchoff's Current Law(KCL)
Bitstream
Addend
Base address
30. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
Bode Plot
Central processing unit
Binary coded decimal
CLB (Configurable Logic Block)
31. A class of integrated logic circuits that is implemented with a type of field effect transistor
Bipolar
CMOS Complementary Metal Oxide Semiconductor
Capacity
Boolean algebra
32. A programming language that uses English like words and has a one- to- one correspondence to machine language
Component
Digital linear tape
Norton's Theorem
Assembly language
33. One of the three regions in a bipolar junction transistor
Cascade
Bit
Base
Delta Modulation
34. A resettable protective device used for interrupting execessive current in an electric circuit
Circuit Breaker
Adjacency
Analog- to- digital converter(ADC)
Average value
35. One current path in a parallel circuit; a current path that connects two nodes
Distributive Law
Decade
Circuit
Branch
36. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit
Circuit
Vx=(Vs * Rx) /RT
Clear
bed- of- nails
37. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Circuit
Capacitance Reactance
Thevenin Equivalent Circuit
Comparator
38. A method of analog- to- digital conversion using a 1- bit quantization process
Compiler
Capacitance Reactance
Delta Modulation
Boolean algebra
39. A binary digit - which can be either 1 or 0
Concurrency
Augend
Bit
Acceptor
40. A type of counter in which each stage is clocked from the output of the preceding stage.
Ampere- hour(Ah) rating
Asynchronous counter
Base address
Balanced Load
41. A circuit that prevents loading of an input or output
CMOS
Buffer
Decade Counter
Ampere
42. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Bus contention
Data Selector
Address Bus
Data bus
43. 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
Balanced Load
Binary coded decimal
Debug
44. The process that prevents two sources from using a bus at the same time
Analog
Bode Plot
Bus arbitration
Delta Modulation
45. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Combinational logic
BJT
Analog- to- digital converter(ADC)
Battery
46. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
DAT
Band- stop filter
Decode
ALU
47. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Design flow
BJT
Dynamic Memory
Dependency notation
48. A semiconductor device that conducts current in only one direction
Closed circuit
Clear
Diode
Access time
49. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Data Selector
Circuit
Byte
Angular Velocity
50. 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.
Circuit Breaker
Circular Mil (CM)
Attenuation
Architecture