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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 class of integrated logic circuits that is implemented with a type of field effect transistor
CMOS Complementary Metal Oxide Semiconductor
Cache memory
Decode
DMA
2. 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
Carry propagation
bed- of- nails
Choke
ASCII
3. In Boolean algebra - the OR operation
Boolean algebra
DCE
Carry
Boolean addition
4. 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.
Aliasing
Capacitor
Attenuation
Charge
5. A series of bits describing a final design that is sent to the target device during programming
CPLD
Closed circuit
Bitstream
DSP
6. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Collector
AWG
Current sinking
Capacitance
7. 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.
Array
Bistable
Thevenin Equivalent Circuit
Cross - assembler
8. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
ABEL(Advance Boolean Expression Language)
Carry generation
Capacitor
Decode
9. Dual in - line memory module
Cache memory
Center Tap
Binary coded decimal
DIMM
10. In a division operation the quantity that is being divided
Dividend
Apparent power
Carry propagation
TTL
11. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Counter
Decode
Atomic number
Baseline
12. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Carry generation
Decade
Circuit Breaker
Central processing unit
13. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Capacitance
Ammeter
Binary
Binary coded decimal
14. 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.
Counter
Binary
Data Selector
Balanced Load
15. The process or sequence of operations carried out to program a target device
Dividend
DTE
Thevenin Equivalent Circuit
Design flow
16. In Boolean algebra - the AND operation
Don't Care...
Address Bus
Amplitude
Boolean multiplication
17. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
Control Unit
Vx=(Vs * Rx) /RT
DMA
Circular Mil (CM)
18. The maximum value of a voltage or current
ABEL(Advance Boolean Expression Language)
Amplitude
Baseline
Central processing unit
19. Burst extended data output dynamic random- access memory
Apparent power
BEDO DRAM
Duty cycle
Atomic number
20. 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.
ASCII
Associative law
Architecture
Balanced Bridge
21. 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
Atom
BJT
DCE
Bandwidth
22. A combination of input literals that cannot occur and can be used as a 1 or 0 on a Karnaugh Map for simplification
Warning
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on line
183
23. A transformer in which the primary and secondary are in a single winding
Base address
AND
Autotransformer
CPLD
24. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Array
Augend
Component
Decode
25. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Compiler
Bipolar
Concurrency
Capacitance Reactance
26. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Battery
Capacitance Reactance
BIOS
D Flip-Flop
27. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Bandwidth
Bode Plot
AND
Bit time
28. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Amplitude
Balanced Bridge
AND gate
ANSI
29. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Band- stop filter
Delta Modulation
Associative law
Diode
30. The time from the application of a valid memory address to the appearance of valid output data
Code
Charge- coupled device
Distributive Law
Access time
31. The actual current in a branch
Charge- coupled device
AND array
Demultiplexer
Branch Current
32. 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
Bode Plot
TTL
CLB (Configurable Logic Block)
Assembler
33. Having two opposites charge carriers within the transistor structure
Bipolar
Charge- coupled device
DIMM
Decoder
34. The application of a dc voltage to an electronic device to produce a desired mode of operation
Aliasing
Bias
DRAM
Bitstream
35. A resettable protective device used for interrupting execessive current in an electric circuit
Ampere- hour(Ah) rating
Debug
Circuit Breaker
AND array
36. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Circuit
AWG
Circuit Breaker
Average value
37. 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.
ALU
Amplitude
Aliasing
Associative law
38. A programming language that uses English like words and has a one- to- one correspondence to machine language
Collector
TTL
Assembly language
DIMM
39. Digital Signal Processor; a special type of microprocessor that processes data in real time
Code
AND gate
DSP
Circuit
40. A device used to convert an analog signal to a sequence of digital codes
Base
Bit time
Circular Mil (CM)
Analog- to- digital converter(ADC)
41. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Astable
Boolean algebra
Baseline
Center Tap
42. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Baseline
Ammeter
Balanced Bridge
Distributive Law
43. The process of converting an analog signal to digital form
Clear
DTE
Analog
Analog- to- digital (A/D) conversion
44. A binary digit - which can be either 1 or 0
Bit
AND gate
Bistable
Apparent power
45. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
ASCII
bed- of- nails
TTL
Dependency notation
46. A circuit that prevents loading of an input or output
Buffer
Data bus
Code
AND
47. A semiconductor device that conducts current in only one direction
Controller
Closed circuit
Bit time
Diode
48. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
DIMM
Boolean multiplication
Boolean expression
Combinational logic
49. Digital audio tape; a type of magnetic tape format
Data
Analog- to- digital (A/D) conversion
DAT
Address Bus
50. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
Decoder
Diode
Base address
Baseline