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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. Having two stable states. Flip- flops and latches are bistable multivibrators.
AND
Band- stop filter
CMOS
Bistable
2. A method of analog- to- digital conversion using a 1- bit quantization process
Delta Modulation
Dynamic Memory
Branch
Circuit Breaker
3. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Clear
Admittance
Diode
Combinational logic
4. The number of protons in a nucleus
Don't Care...
Atomic number
Boolean addition
Astable
5. In Boolean algebra - the OR operation
Analog- to- digital (A/D) conversion
Binary coded decimal
Boolean addition
Angular Velocity
6. 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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7. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Buffer
Control Bus
Branch
Boundary scan
8. To decrease the binary state of a counter by one
Capacitor
Decimal
Decrement
Bipolar
9. The beginning address of a segment of memory
Autotransformer
Access time
Collector
Base address
10. 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
AHDL
bed- of- nails
Boolean multiplication
CPLD
11. A program that converts English- like mnemonics into machine code
Capacitor
Bus interface unit
Assembler
Kirchoff's Current Law(KCL)
12. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Battery
bed- of- nails
DSP
Cascade
13. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
Address
Access time
Diode
CPLD
14. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Amplitude
Augend
Branch Current
Cross - assembler
15. Data Terminal equipment
Bus contention
DTE
Digital linear tape
Addend
16. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
Circuit
D Flip-Flop
Band- stop filter
Dependency notation
17. The application of a dc voltage to an electronic device to produce a desired mode of operation
Boolean multiplication
Capacity
Bias
bed- of- nails
18. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Cache memory
BIOS
Dependency notation
Center Tap
19. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Access time
Bus
Circuit
Autotransformer
20. A type of IC package whose leads must pass through holes to the other side of a PC board
AHDL
Binary
Comparator
Dual in - line package
21. A condition where all the load currents are equal and the neutral current is zero
Bode Plot
Closed circuit
Balanced Load
Bus interface unit
22. 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.
Cascade
Don't Care...
Clock
Controller
23. 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
Analog- to- digital converter(ADC)
Atom
Carry propagation
Adder
24. The process of producing an output carry in full- adder when both input bits are 1s.
Angular Velocity
Binary
Carry generation
Clock
25. Consisting of numerals - letters - and other characters
Circuit
Branch Current
Atom
Alphanumeric
26. One current path in a parallel circuit; a current path that connects two nodes
Bit time
DCE
Branch
Capacitance Reactance
27. Characterized by ten states or values
Decade
Norton's Theorem
DSP
Assembly language
28. 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
Decade Counter
Ampere- hour(Ah) rating
AHDL
Astable
29. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Capacity
Base
Bias
Circuit Breaker
30. Having two opposites charge carriers within the transistor structure
Assembly language
Decrement
Bipolar
DSP
31. The inverse of opposite of a number - in Boolean algebra - the inverse function - expressed with a bar over the variable. The complement of a 1 is a 0 - and vice versa
Complement
Data bus
DTE
Buffer
32. The smallest particle of an element possessing the unique characteristics of that element.
BIOS
Data Sheet
Atom
Comparator
33. The action of a circuit in which it accepts current into its output from a load
Capacity
Current sinking
Bus arbitration
BJT
34. A class of integrated logic circuits that is implemented with a type of field effect transistor
BEDO DRAM
Circuit
CMOS Complementary Metal Oxide Semiconductor
Band- stop filter
35. 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.
Branch
Data Selector
Clear
CLB (Configurable Logic Block)
36. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Band- pass filter
Augend
Address
Asynchronous counter
37. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
DIMM
Debug
Decrement
Concurrency
38. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
CMOS Complementary Metal Oxide Semiconductor
TTL
BIOS
CMOS
39. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Capacitance Reactance
Band- stop filter
Binary
Balanced Load
40. A unit of the cross - sectional area of a wire.
ALU
Circular Mil (CM)
Address
Apparent power
41. Burst extended data output dynamic random- access memory
Charge
Bistable
BEDO DRAM
Comparator
42. In a division operation the quantity that is being divided
Dividend
Data Sheet
Decoder
Bipolar
43. The current left after the total load current is subtracted from the total current into the circuit
BIOS
Delta Modulation
Bitstream
Bleeder Current
44. A type of magnetic tape format
Comparator
Digital linear tape
Controller
Design flow
45. A combined coder and decoder
Control Bus
Code
BJT
Cascade
46. An electrical instrument used to measure current
Cache memory
Binary coded decimal
Ammeter
Bus arbitration
47. The mathematics of logic circuits
Counter
Kirchoff's Current Law(KCL)
Boolean algebra
Charge- coupled device
48. 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
CLB (Configurable Logic Block)
BJT
Control Bus
Demultiplexer
49. An expression of variables and operators used to express the operation of a logic circuit
D Flip-Flop
Boolean expression
AND gate
Atom
50. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Cache memory
Band- pass filter
Capacitance
Boolean addition