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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. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
D Flip-Flop
Demultiplexer
Baseline
Ammeter
2. Altera HDL; a nonstandard HDL
Delta Modulation
AHDL
Decode
Code
3. Digital audio tape; a type of magnetic tape format
Kirchoff's Voltage Law
Diode
Capacitance Reactance
DAT
4. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Data Sheet
Assembly language
CLB (Configurable Logic Block)
Circuit
5. In Boolean algebra - the AND operation
Array
Charge
Boolean multiplication
AHDL
6. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Data Sheet
Bias
Central processing unit
Ampere- hour(Ah) rating
7. A unit of logic in an FPGA that is made up of multiple smaller logic modules and a local programmable interconnect that is used to connect logic modules within the CLB
Assembler
CPLD
CLB (Configurable Logic Block)
Ampere
8. The current left after the total load current is subtracted from the total current into the circuit
Delta Modulation
Battery
Atomic number
Bleeder Current
9. In addition - the number to which the addend is added
Baseline
Controller
Augend
Boolean algebra
10. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
Carry generation
Acceptor
Analog- to- digital converter(ADC)
CMOS
11. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Attenuation
Ammeter
Associative law
Analog- to- digital (A/D) conversion
12. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Autotransformer
Control Unit
Apparent power
Circuit
13. A logic gate that produces a High output only when all of the inputs are HIGH
AND gate
Commutative Law
Carry propagation
TTL
14. The ability of a capacitor to store electrical charge.
D Flip-Flop
Boolean algebra
Capacitance
Bus interface unit
15. A binary digit - which can be either 1 or 0
Clock
Adder
Bit
AND array
16. Having two directions. the stored data can be shifted right or left
ALU
Assembler
Balanced Bridge
Bidirectional shift Register
17. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Bias
Adder
Ammeter
Data Sheet
18. To decrease the binary state of a counter by one
Dynamic Memory
Bleeder Current
Atom
Decrement
19. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Bus interface unit
Decode
Compiler
Cascade
20. 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.
Boolean addition
Controller
BEDO DRAM
Center Tap
21. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Adjacency
Admittance
Complement
Address Bus
22. The process of producing an output carry in full- adder when both input bits are 1s.
Carry generation
DTE
Bipolar
Data bus
23. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.
Analog
Average value
Capacitance
Array
24. 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
Data Sheet
Clear
Boolean algebra
Band- stop filter
25. One of the three regions in a bipolar junction transistor
AND gate
Average value
Counter
Base
26. American wire gauge; a standardization based on wire diameter
Code
AWG
ASCII
Bitstream
27. The smallest particle of an element possessing the unique characteristics of that element.
D Flip-Flop
Circular Mil (CM)
Boolean multiplication
Atom
28. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
CPLD
Collector
Augend
Bias
29. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Clock
CMOS
Astable
Atom
30. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
Decimal
ABEL(Advance Boolean Expression Language)
AWG
Baseline
31. A transformer in which the primary and secondary are in a single winding
Bus
Assembler
Autotransformer
Complement
32. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Data Sheet
Address Bus
Control Bus
DMA
33. Bipolar junction transistor; a semiconductor device used for switching or amplification. A BJT has two junctions - the base- emitter junction and the base- collector junction
BJT
Kirchoff's Current Law(KCL)
Bus contention
Carry propagation
34. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Base address
Bias
Analog
Binary
35. 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
Compiler
Capacitor
Augend
36. A group of eight bits
Byte
ANSI
Array
Cross - assembler
37. In addition - the number that is added to another number called the augend
Binary
Analog- to- digital (A/D) conversion
CPLD
Addend
38. A combined coder and decoder
Base address
Central processing unit
Code
Bidirectional shift Register
39. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
DIMM
Distributive Law
DTE
DCE
40. Characterized by ten states or values
Admittance
Dependency notation
Decade
Assembly language
41. 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.
Commutative Law
Circuit
Branch
Decade
42. The process of converting an analog signal to digital form
Circuit Breaker
Analog- to- digital (A/D) conversion
Bandwidth
Cross - assembler
43. A set of conductive paths hat connects the CPU to other parts of the computer to coordinate its operations and to communicate with external devices
Bit time
Atomic number
DTE
Control Bus
44. One current path in a parallel circuit; a current path that connects two nodes
Controller
CLB (Configurable Logic Block)
Branch
Associative law
45. One of the three regions in a bipolar Junction transistor(North junction of NpN)
AND
Branch
Boolean multiplication
Collector
46. A circuit that selects data from several inputs one at a time in a sequence and places them on the output; also called a multiplexer.
BJT
Data bus
Data Selector
Clear
47. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
Band- stop filter
DTE
ABEL(Advance Boolean Expression Language)
ALU
48. 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.
Bode Plot
Cross - assembler
Array
Norton's Theorem
49. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Address Bus
Charge- coupled device
Demultiplexer
Antifuse
50. A resettable protective device used for interrupting execessive current in an electric circuit
Capacity
Don't Care...
Circuit Breaker
Augend