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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 program that converts English- like mnemonics into machine code
Assembler
Adjacency
Analog
Charge- coupled device
2. A combined coder and decoder
Code
Bus interface unit
Capacitor
bed- of- nails
3. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Access time
ABEL(Advance Boolean Expression Language)
CMOS
Boundary scan
4. A digital circuit device that converts coded information into another (familiar) or noncoded form
Branch
Decoder
AND
Architecture
5. A logic gate that produces a High output only when all of the inputs are HIGH
AND gate
Band- pass filter
Charge
Capacitance Reactance
6. One current path in a parallel circuit; a current path that connects two nodes
Asynchronous counter
Delta Modulation
ANSI
Branch
7. Data Terminal equipment
Baseline
Balanced Load
DTE
Decoder
8. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Bit time
AND array
Design flow
Choke
9. 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.
Boolean expression
Analog
Duty cycle
Data Selector
10. A circuit that prevents loading of an input or output
Adjacency
Bus contention
Buffer
CLB (Configurable Logic Block)
11. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
Baseline
Access time
Boolean expression
Addend
12. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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183
13. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Decimal
Comparator
Asynchronous counter
Duty cycle
14. In a division operation the quantity that is being divided
Dividend
Branch Current
Autotransformer
Associative law
15. A type of IC package whose leads must pass through holes to the other side of a PC board
Amplitude
Dual in - line package
Base
Circular Mil (CM)
16. 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
Design flow
Ampere- hour(Ah) rating
Addend
Access time
17. A series of bits describing a final design that is sent to the target device during programming
Attenuation
Bitstream
Carry propagation
Debug
18. 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
Decade
Buffer
Decoder
19. A two terminal circuit containing voltage sources - current sources - and resistors can be modeled as a voltage source in series with a resistor
Norton's Theorem
Acceptor
Thevenin Equivalent Circuit
Digital linear tape
20. Having two opposites charge carriers within the transistor structure
Control Unit
Byte
Code
Bipolar
21. Dual in - line memory module
DIMM
Charge
Vx=(Vs * Rx) /RT
DAT
22. 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.
DIMM
Attenuation
Diode
Combinational logic
23. The beginning address of a segment of memory
Average value
Analog- to- digital (A/D) conversion
Data bus
Base address
24. The number of protons in a nucleus
Associative law
Bus interface unit
AND
Atomic number
25. American Standard Code for Information Interchange; the most widely used alphanumeric code.
Circular Mil (CM)
ASCII
Amplitude
Combinational logic
26. 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
Thevenin Equivalent Circuit
Angular Velocity
Boolean algebra
Carry propagation
27. The application of a dc voltage to an electronic device to produce a desired mode of operation
Bias
Data bus
Assembly language
Center Tap
28. A receiving device on a bus
Circuit
Commutative Law
Design flow
Acceptor
29. An array of AND gates consisting of a matrix of programmable interconnection
Carry generation
AND array
Acceptor
Address
30. 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
Amplitude
CLB (Configurable Logic Block)
Carry
Decade Counter
31. Having two stable states. Flip- flops and latches are bistable multivibrators.
Assembler
Bistable
Branch Current
Clock
32. Information in numeric - alphabetic - or other form.
Data
Augend
CPLD
Balanced Bridge
33. A logic circuit used to add two binary numbers
Adder
Branch
Code
CPLD
34. 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
Addend
DRAM
Assembler
BJT
35. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Bistable
Asynchronous counter
Address Bus
Alphanumeric
36. In addition - the number that is added to another number called the augend
Bipolar
Counter
Addend
Augend
37. The maximum value of a voltage or current
DMA
Base address
Decimal
Amplitude
38. Having two directions. the stored data can be shifted right or left
Address
AND array
AHDL
Bidirectional shift Register
39. Digital audio tape; a type of magnetic tape format
Control Unit
DAT
Digital linear tape
Address Bus
40. 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
Dynamic Memory
TTL
Complement
DCE
41. Altera HDL; a nonstandard HDL
AHDL
CLB (Configurable Logic Block)
Circuit
Capacitor
42. The ratio of pulse width to period expressed as a percentage
Thevenin Equivalent Circuit
Decade Counter
Duty cycle
D Flip-Flop
43. 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.
Analog- to- digital converter(ADC)
Aliasing
Amplitude
Band- pass filter
44. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
Debug
Adder
Boolean multiplication
CMOS
45. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
TTL
Data Selector
Bandwidth
Concurrency
46. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Capacitor
Decade Counter
Adder
Norton's Theorem
47. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Central processing unit
Access time
Don't Care...
Component
48. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Admittance
Charge
Circuit
Analog- to- digital converter(ADC)
49. A transformer in which the primary and secondary are in a single winding
Capacitance Reactance
ALU
Amplitude
Autotransformer
50. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
Cross - assembler
Distributive Law
Augend
Binary coded decimal