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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. The beginning address of a segment of memory
Bus
Address
Band- pass filter
Base address
2. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Dividend
Distributive Law
Adjacency
Analog
3. Having two stable states. Flip- flops and latches are bistable multivibrators.
Ammeter
Bistable
Adder
Average value
4. A method of analog- to- digital conversion using a 1- bit quantization process
Delta Modulation
Complement
Comparator
Battery
5. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
Circular Mil (CM)
Dividend
Binary coded decimal
Base
6. To decrease the binary state of a counter by one
Decrement
Adjacency
Adder
Duty cycle
7. A device used to convert an analog signal to a sequence of digital codes
Analog- to- digital converter(ADC)
DIMM
Angular Velocity
Current sinking
8. The process or sequence of operations carried out to program a target device
Base address
Bleeder Current
Component
Design flow
9. The maximum value of a voltage or current
Closed circuit
Amplitude
Boundary scan
Don't Care...
10. A type of inductor used to block or choke off high frequencies
Ammeter
Choke
Carry generation
Decimal
11. The application of a dc voltage to an electronic device to produce a desired mode of operation
Bias
Circuit
Bode Plot
Augend
12. The smallest particle of an element possessing the unique characteristics of that element.
Clock
Atom
Cascade
Binary coded decimal
13. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Charge
Apparent power
CMOS Complementary Metal Oxide Semiconductor
Architecture
14. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Bode Plot
Band- stop filter
DRAM
Dependency notation
15. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
CMOS
BIOS
ASCII
AWG
16. The number of protons in a nucleus
Bleeder Current
Atomic number
Attenuation
Central processing unit
17. 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.
Debug
Balanced Load
Array
Bandwidth
18. Describes a number system with a base of ten
Design flow
Duty cycle
Decimal
Baseline
19. Burst extended data output dynamic random- access memory
Boundary scan
BEDO DRAM
BJT
Bus arbitration
20. 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.
Aliasing
Ammeter
ANSI
Baseline
21. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Binary coded decimal
DAT
Capacity
Associative law
22. A circuit that prevents loading of an input or output
Band- stop filter
Control Bus
Buffer
Cross - assembler
23. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
Bandwidth
Decoder
D Flip-Flop
Bit time
24. Characteristic of cells in a Karnaugh map in which there is a single- variable change from one cell to another cell next to it on any of its four sides
Astable
Adjacency
Atomic number
Central processing unit
25. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Circuit
DSP
Band- pass filter
Control Bus
26. In a division operation the quantity that is being divided
CMOS Complementary Metal Oxide Semiconductor
Attenuation
Dividend
Alphanumeric
27. In Boolean algebra - the OR operation
DRAM
Boolean addition
Boolean expression
Bus interface unit
28. An expression of variables and operators used to express the operation of a logic circuit
Analog
TTL
Boolean expression
Decrement
29. Information in numeric - alphabetic - or other form.
Data
Carry
Component
Antifuse
30. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Balanced Bridge
Demultiplexer
Code
Capacitor
31. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
CLB (Configurable Logic Block)
Base address
Capacitor
Bandwidth
32. The digit generated when the sum of two binary digits exceeds 1
Carry
Carry propagation
Cascade
Central processing unit
33. Having two opposites charge carriers within the transistor structure
Analog- to- digital (A/D) conversion
Decimal
Don't Care...
Bipolar
34. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Concurrency
Kirchoff's Current Law(KCL)
BJT
Delta Modulation
35. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Decimal
Circular Mil (CM)
Atom
Astable
36. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Central processing unit
Band- pass filter
Circuit
Kirchoff's Voltage Law
37. The time from the application of a valid memory address to the appearance of valid output data
Comparator
Capacitance
AND
Access time
38. 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.
Thevenin Equivalent Circuit
Analog- to- digital (A/D) conversion
Data Selector
Astable
39. 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.
Clear
D Flip-Flop
Atom
Circuit
40. 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.
Closed circuit
Attenuation
Access time
Comparator
41. Sum of all the voltage drops in series equals to the source voltage
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42. The unit of electrical current
Ampere
AND gate
Boolean multiplication
Access time
43. 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
Cross - assembler
Alphanumeric
Dual in - line package
44. A programming language that uses English like words and has a one- to- one correspondence to machine language
Decimal
Assembly language
Thevenin Equivalent Circuit
Control Bus
45. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Control Unit
Base
Adder
Collector
46. The mathematics of logic circuits
Ampere
Boolean algebra
Antifuse
Architecture
47. One of the three regions in a bipolar junction transistor
Counter
Access time
Base
Kirchoff's Voltage Law
48. A set of interconnections that interface one or more devices based on a standardized specification
AND
Bus
Dual in - line package
Decoder
49. The current left after the total load current is subtracted from the total current into the circuit
Circuit
Bleeder Current
Dependency notation
Buffer
50. The process that prevents two sources from using a bus at the same time
Demultiplexer
Bus arbitration
Analog- to- digital converter(ADC)
Band- pass filter