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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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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. A device used to convert an analog signal to a sequence of digital codes
Demultiplexer
Analog- to- digital converter(ADC)
Base address
Byte
2. A type of inductor used to block or choke off high frequencies
AND
CPLD
Binary coded decimal
Choke
3. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Boundary scan
Address Bus
Control Unit
Capacitor
4. Information in numeric - alphabetic - or other form.
Data
ALU
Center Tap
DMA
5. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit
DTE
Vx=(Vs * Rx) /RT
Charge- coupled device
Bus interface unit
6. An expression of variables and operators used to express the operation of a logic circuit
Dependency notation
Decode
Circuit Breaker
Boolean expression
7. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Binary
Analog- to- digital converter(ADC)
Code
Apparent power
8. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Combinational logic
Data Sheet
Bit time
Associative law
9. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
CPLD
Bipolar
DRAM
Data Selector
10. Having two stable states. Flip- flops and latches are bistable multivibrators.
ASCII
Augend
Bistable
Atom
11. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Bidirectional shift Register
Associative law
Band- pass filter
Clock
12. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Circuit
Diode
Decode
DRAM
13. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Vx=(Vs * Rx) /RT
Kirchoff's Voltage Law
Astable
DSP
14. Transistor-Transistor Logic and is implemented with bipolar junction transistors
Bus
Bandwidth
Dynamic Memory
TTL
15. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
Bitstream
Compiler
AND
Code
16. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
ABEL(Advance Boolean Expression Language)
Circuit
Combinational logic
Band- stop filter
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
Adder
BEDO DRAM
Ampere- hour(Ah) rating
Compiler
18. A software compiler language for SPLD programming; a type of hardware description language (HDL)
DTE
DAT
ABEL(Advance Boolean Expression Language)
Circuit
19. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
CPLD
Decoder
Apparent power
Collector
20. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Autotransformer
Antifuse
Debug
Delta Modulation
21. In Boolean algebra - the OR operation
Boolean addition
Average value
Bidirectional shift Register
Cascade
22. Having two directions. the stored data can be shifted right or left
Capacitance
Architecture
Bidirectional shift Register
Byte
23. Digital Signal Processor; a special type of microprocessor that processes data in real time
Boundary scan
DSP
DRAM
Amplitude
24. A circuit with a complete current path
Circular Mil (CM)
Boolean algebra
Closed circuit
BEDO DRAM
25. A receiving device on a bus
Bode Plot
Digital linear tape
Augend
Acceptor
26. In addition - the number that is added to another number called the augend
Baseline
DIMM
Adder
Addend
27. The graph of a filter's frequency response showing the change in the output voltage to input voltage ratio expressed in dB as a function of frequency for a constant input voltage
Controller
Decoder
Bode Plot
Base
28. The unit of electrical current
Dual in - line package
Ampere
DMA
Delta Modulation
29. A type of magnetic tape format
Digital linear tape
Bipolar
Dynamic Memory
Data bus
30. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Dependency notation
Circuit
Carry generation
Decode
31. A unit of the cross - sectional area of a wire.
AND gate
Circular Mil (CM)
Adder
Closed circuit
32. Characterized by ten states or values
Central processing unit
Decode
Decade
Assembly language
33. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Vx=(Vs * Rx) /RT
Capacity
Boolean algebra
Augend
34. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
ASCII
Address Bus
Boolean multiplication
Debug
35. A semiconductor device that conducts current in only one direction
Dividend
Amplitude
CPLD
Diode
36. 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
Attenuation
Code
Cascade
Augend
37. A type of IC package whose leads must pass through holes to the other side of a PC board
Ampere- hour(Ah) rating
Amplitude
Dual in - line package
Battery
38. The process of rippling an input carry to become the output carry in a full- adder when either or both of the input bits are 1's and the input carry is a 1
Decade
Cache memory
Carry propagation
Decimal
39. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Component
Analog- to- digital converter(ADC)
Band- pass filter
Capacitor
40. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Capacitor
Bus interface unit
Data Selector
Data Sheet
41. The smallest particle of an element possessing the unique characteristics of that element.
Duty cycle
Decrement
Boolean algebra
Atom
42. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Data bus
Demultiplexer
DMA
Branch
43. The beginning address of a segment of memory
Bus contention
Address
Boolean multiplication
Base address
44. A condition where all the load currents are equal and the neutral current is zero
Closed circuit
Commutative Law
Balanced Load
Balanced Bridge
45. Altera HDL; a nonstandard HDL
Autotransformer
AHDL
Bus
Central processing unit
46. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
TTL
Ampere
Boolean algebra
Charge
47. The digit generated when the sum of two binary digits exceeds 1
Branch
Carry
Byte
Circuit Breaker
48. Dual in - line memory module
DIMM
Controller
Band- stop filter
Bode Plot
49. American wire gauge; a standardization based on wire diameter
Data Selector
AWG
Ampere
Bandwidth
50. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Comparator
Architecture
Demultiplexer
Amplitude
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