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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. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
Bleeder Current
CMOS Complementary Metal Oxide Semiconductor
CMOS
Circuit
2. Having two stable states. Flip- flops and latches are bistable multivibrators.
Capacitor
Bistable
Bit time
Atom
3. A logic gate that produces a High output only when all of the inputs are HIGH
Control Bus
AND gate
ALU
Bus interface unit
4. The digit generated when the sum of two binary digits exceeds 1
DMA
Controller
Circuit
Carry
5. The ratio of pulse width to period expressed as a percentage
Antifuse
ASCII
Duty cycle
Ampere- hour(Ah) rating
6. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Atom
Address Bus
AND gate
Band- pass filter
7. 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
Charge
Branch
Bode Plot
Compiler
8. One current path in a parallel circuit; a current path that connects two nodes
Analog
Branch
Amplitude
Cross - assembler
9. A connection at the midpoint of a winding in a transformer
AHDL
Complement
Center Tap
ANSI
10. A digital circuit device that converts coded information into another (familiar) or noncoded form
Decoder
Complement
Alphanumeric
Decimal
11. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Ampere- hour(Ah) rating
Decrement
Bias
Capacity
12. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Balanced Bridge
Alphanumeric
Bandwidth
Band- stop filter
13. 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.
Band- stop filter
CPLD
Combinational logic
Controller
14. An electrical instrument used to measure current
Ammeter
Don't Care...
Boolean addition
Augend
15. A type of magnetic tape format
Augend
Digital linear tape
Binary
AND gate
16. Altera HDL; a nonstandard HDL
Collector
bed- of- nails
Clear
AHDL
17. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
Closed circuit
Assembly language
Average value
D Flip-Flop
18. The unit of electrical current
Kirchoff's Current Law(KCL)
AND
Ampere
DAT
19. The time from the application of a valid memory address to the appearance of valid output data
Digital linear tape
Adder
Boolean algebra
Access time
20. 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.
Data Selector
Closed circuit
Code
Demultiplexer
21. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Complement
Admittance
Diode
Capacity
22. American Standard Code for Information Interchange; the most widely used alphanumeric code.
Circuit
ASCII
Circuit
Balanced Bridge
23. The number of protons in a nucleus
Atomic number
Base
Atom
ABEL(Advance Boolean Expression Language)
24. Sum of all the voltage drops in series equals to the source voltage
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25. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Comparator
Addend
Delta Modulation
Controller
26. A class of integrated logic circuits that is implemented with a type of field effect transistor
CMOS Complementary Metal Oxide Semiconductor
Asynchronous counter
Buffer
Binary
27. The application of a dc voltage to an electronic device to produce a desired mode of operation
Kirchoff's Voltage Law
Bias
Autotransformer
Center Tap
28. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
Battery
Amplitude
Clear
DRAM
29. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Decode
Norton's Theorem
Cascade
Carry generation
30. A combined coder and decoder
Controller
Data Sheet
Code
Bus interface unit
31. A method for the automated testing of printed circuit boards in which the board is mounted on a fixture that resembles a bed of nails that makes contact with test points
bed- of- nails
D Flip-Flop
Addend
Atom
32. 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
Distributive Law
Demultiplexer
Boundary scan
BJT
33. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Bus interface unit
Collector
Carry
Analog
34. 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
Carry generation
Data bus
Carry propagation
Boolean addition
35. An array of AND gates consisting of a matrix of programmable interconnection
AND array
Kirchoff's Current Law(KCL)
Byte
Analog- to- digital converter(ADC)
36. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Capacitor
Astable
Data Selector
Binary
37. 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
Distributive Law
Ampere- hour(Ah) rating
DRAM
Dividend
38. 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.
Comparator
Bus contention
Decade Counter
Architecture
39. A semiconductor device that conducts current in only one direction
Diode
Alphanumeric
Bistable
Buffer
40. The beginning address of a segment of memory
Base address
Bus arbitration
Atom
Thevenin Equivalent Circuit
41. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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42. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Binary
Bipolar
Dynamic Memory
Bode Plot
43. A programming language that uses English like words and has a one- to- one correspondence to machine language
D Flip-Flop
Architecture
Boolean algebra
Assembly language
44. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Concurrency
Boolean multiplication
Central processing unit
Amplitude
45. Information in numeric - alphabetic - or other form.
Capacitance
Data
Balanced Bridge
Component
46. The action of a circuit in which it accepts current into its output from a load
Base
Asynchronous counter
Carry
Current sinking
47. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Clear
Charge- coupled device
Battery
Amplitude
48. 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.
Amplitude
Diode
Aliasing
Clear
49. Consisting of numerals - letters - and other characters
Kirchoff's Current Law(KCL)
CMOS Complementary Metal Oxide Semiconductor
Bias
Alphanumeric
50. A method of analog- to- digital conversion using a 1- bit quantization process
Delta Modulation
Associative law
Addend
Atomic number