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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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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. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
BIOS
Choke
Complement
Addend
2. A circuit that prevents loading of an input or output
Bias
bed- of- nails
Counter
Buffer
3. A type of counter in which each stage is clocked from the output of the preceding stage.
Asynchronous counter
Access time
BEDO DRAM
Carry
4. A connection at the midpoint of a winding in a transformer
Delta Modulation
Carry generation
Address
Center Tap
5. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Complement
ANSI
Bit time
Atomic number
6. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Binary coded decimal
Acceptor
Debug
Bleeder Current
7. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Capacitor
Distributive Law
Central processing unit
Bus arbitration
8. 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
Clock
Address
Boolean multiplication
Bistable
9. A class of integrated logic circuits that is implemented with a type of field effect transistor
Code
CMOS Complementary Metal Oxide Semiconductor
Attenuation
Angular Velocity
10. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Bus contention
Central processing unit
Kirchoff's Current Law(KCL)
Decade
11. 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
Choke
Ampere- hour(Ah) rating
Data bus
ALU
12. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
Boolean expression
D Flip-Flop
Compiler
Bus arbitration
13. 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
Band- pass filter
Clear
CLB (Configurable Logic Block)
Bus interface unit
14. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Band- pass filter
Dual in - line package
Base
Base address
15. The actual current in a branch
Comparator
Battery
Branch Current
Concurrency
16. A series of bits describing a final design that is sent to the target device during programming
Antifuse
Bit
Bitstream
DAT
17. The mathematics of logic circuits
Carry propagation
Boolean algebra
Address Bus
Design flow
18. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Admittance
Data Selector
Base
Center Tap
19. 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
CLB (Configurable Logic Block)
ALU
Analog
Assembler
20. 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
Balanced Load
Code
Compiler
Alphanumeric
21. The maximum value of a voltage or current
Circuit Breaker
Thevenin Equivalent Circuit
Angular Velocity
Amplitude
22. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit
Circuit Breaker
Vx=(Vs * Rx) /RT
Controller
Bleeder Current
23. A combined coder and decoder
Balanced Load
Analog
Base
Code
24. A program that converts English- like mnemonics into machine code
Branch Current
Assembler
AWG
Addend
25. A binary digit - which can be either 1 or 0
Compiler
BJT
Ampere- hour(Ah) rating
Bit
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.
Attenuation
Acceptor
Addend
BJT
27. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Collector
Central processing unit
Control Bus
Circuit
28. In Boolean algebra - the AND operation
Bit
CPLD
Bias
Boolean multiplication
29. The portion within the microprocessor that provides the timing and control signals for getting data into and out of the microprocessor and for synchronizing the execution of instructions.
AND array
Control Unit
Cross - assembler
Amplitude
30. In addition - the number to which the addend is added
Commutative Law
Augend
Distributive Law
Atomic number
31. Consisting of numerals - letters - and other characters
Carry
Data bus
Commutative Law
Alphanumeric
32. A group of eight bits
Byte
Amplitude
CLB (Configurable Logic Block)
Clear
33. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Acceptor
Distributive Law
Augend
Attenuation
34. In a division operation the quantity that is being divided
DAT
Dividend
Band- pass filter
Antifuse
35. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Augend
Amplitude
Bus contention
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
Cascade
Boolean multiplication
Decoder
AWG
37. Burst extended data output dynamic random- access memory
BEDO DRAM
Average value
Bipolar
Capacitance
38. A type of IC package whose leads must pass through holes to the other side of a PC board
AWG
AND
Bus
Dual in - line package
39. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Concurrency
Antifuse
Complement
Digital linear tape
40. 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
CMOS
DMA
Ampere- hour(Ah) rating
Bode Plot
41. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Dividend
Battery
Concurrency
Controller
42. Having two directions. the stored data can be shifted right or left
BEDO DRAM
CMOS
Band- stop filter
Bidirectional shift Register
43. Digital Signal Processor; a special type of microprocessor that processes data in real time
DSP
Decade Counter
Byte
Distributive Law
44. The process or sequence of operations carried out to program a target device
Assembler
Design flow
Alphanumeric
Dynamic Memory
45. The application of a dc voltage to an electronic device to produce a desired mode of operation
DAT
Bias
DIMM
Average value
46. The process of producing an output carry in full- adder when both input bits are 1s.
Circuit
Dividend
Bandwidth
Carry generation
47. The action of a circuit in which it accepts current into its output from a load
Circular Mil (CM)
CPLD
DMA
Current sinking
48. An expression of variables and operators used to express the operation of a logic circuit
Dual in - line package
CPLD
Boolean expression
Analog- to- digital (A/D) conversion
49. The time from the application of a valid memory address to the appearance of valid output data
Control Bus
Access time
Don't Care...
Binary coded decimal
50. A resettable protective device used for interrupting execessive current in an electric circuit
Average value
Circuit Breaker
Ammeter
Array
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