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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
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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. A theorem that states that any amount of voltage sources and current sources can be combined into a single current source with a parallel resistor.
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2. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Asynchronous counter
Thevenin Equivalent Circuit
AWG
Capacity
3. A set of interconnections that interface one or more devices based on a standardized specification
Bus
Demultiplexer
Carry generation
Admittance
4. A type of counter in which each stage is clocked from the output of the preceding stage.
Atomic number
D Flip-Flop
Digital linear tape
Asynchronous counter
5. A group of eight bits
Comparator
Byte
Assembly language
Control Unit
6. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Data Sheet
ABEL(Advance Boolean Expression Language)
Admittance
Boundary scan
7. Altera HDL; a nonstandard HDL
Decade
AHDL
DAT
Control Unit
8. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Charge- coupled device
Bit
Cross - assembler
Analog
9. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
DTE
DMA
Concurrency
Cascade
10. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Decode
Angular Velocity
Bitstream
Assembler
11. A type of inductor used to block or choke off high frequencies
Acceptor
Kirchoff's Voltage Law
Choke
Binary coded decimal
12. One of the three regions in a bipolar junction transistor
DRAM
Aliasing
D Flip-Flop
Base
13. 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
CMOS
Binary
Don't Care...
14. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Capacitance Reactance
Amplitude
Analog- to- digital converter(ADC)
Controller
15. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Dependency notation
Cascade
Amplitude
Attenuation
16. In addition - the number that is added to another number called the augend
CLB (Configurable Logic Block)
Analog- to- digital (A/D) conversion
Autotransformer
Addend
17. 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
Central processing unit
Addend
Compiler
Bleeder Current
18. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Band- pass filter
Average value
Analog- to- digital (A/D) conversion
Decoder
19. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Diode
Address
Boolean algebra
DTE
20. 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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21. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Adjacency
Comparator
Address Bus
Bidirectional shift Register
22. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Data bus
Data Sheet
AND
Thevenin Equivalent Circuit
23. American wire gauge; a standardization based on wire diameter
AWG
CMOS
Kirchoff's Current Law(KCL)
Binary
24. Characterized by ten states or values
Decade
Cross - assembler
Acceptor
Augend
25. A combined coder and decoder
AWG
Data Selector
Code
Bus
26. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Collector
Central processing unit
Delta Modulation
Don't Care...
27. A series of bits describing a final design that is sent to the target device during programming
Charge
Boolean expression
Analog
Bitstream
28. The current left after the total load current is subtracted from the total current into the circuit
Duty cycle
Demultiplexer
Bleeder Current
Counter
29. The unit of electrical current
DIMM
Ampere- hour(Ah) rating
Ampere
Clear
30. A binary digit - which can be either 1 or 0
Architecture
Bit
D Flip-Flop
Amplitude
31. A software compiler language for SPLD programming; a type of hardware description language (HDL)
ABEL(Advance Boolean Expression Language)
Decimal
Data Selector
Adder
32. A logic gate that produces a High output only when all of the inputs are HIGH
Data Sheet
Circuit
AND gate
Dynamic Memory
33. The actual current in a branch
Amplitude
Acceptor
Branch Current
Counter
34. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Branch
Byte
Demultiplexer
Apparent power
35. Describes a number system with a base of ten
Decimal
Carry
Astable
Balanced Bridge
36. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Astable
Atom
Cache memory
Clear
37. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.
Balanced Load
Norton's Theorem
Average value
Debug
38. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Admittance
Bode Plot
Decoder
Charge- coupled device
39. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
CPLD
CLB (Configurable Logic Block)
Thevenin Equivalent Circuit
Antifuse
40. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Ampere- hour(Ah) rating
Angular Velocity
Thevenin Equivalent Circuit
Antifuse
41. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Don't Care...
Bit time
Bipolar
DRAM
42. A programming language that uses English like words and has a one- to- one correspondence to machine language
CMOS
Assembly language
Acceptor
Buffer
43. 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.
Architecture
Ampere
Analog
Commutative Law
44. 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
Assembly language
AND gate
Branch
45. Information in numeric - alphabetic - or other form.
Combinational logic
Data Selector
Cache memory
Data
46. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Commutative Law
AHDL
Band- stop filter
TTL
47. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
D Flip-Flop
Capacitor
Data Selector
Circuit
48. 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
Analog- to- digital (A/D) conversion
Clock
Bistable
Augend
49. A digital counter having ten states
Don't Care...
Assembler
Circular Mil (CM)
Decade Counter
50. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Charge- coupled device
Charge
DMA
Boundary scan
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