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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 time from the application of a valid memory address to the appearance of valid output data
Access time
Atom
bed- of- nails
ABEL(Advance Boolean Expression Language)
2. 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
Decade Counter
Complement
Autotransformer
AWG
3. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Dividend
Demultiplexer
Capacitance Reactance
Balanced Bridge
4. 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
Address
Branch Current
Counter
Adjacency
5. The smallest particle of an element possessing the unique characteristics of that element.
DCE
Concurrency
Distributive Law
Atom
6. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Architecture
AND array
Diode
Circuit
7. An asynchronous input used to reset a flip- flop (make the Q output 0); to place a register or counter in the state in which it contains all 0's
Analog- to- digital converter(ADC)
BIOS
Clear
Bias
8. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Debug
Apparent power
Attenuation
Branch Current
9. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Base address
DAT
Band- pass filter
Average value
10. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Balanced Bridge
Dividend
Astable
Address Bus
11. 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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12. Information in numeric - alphabetic - or other form.
Bode Plot
Kirchoff's Voltage Law
Data
Bitstream
13. A type of inductor used to block or choke off high frequencies
AWG
Baseline
Choke
DCE
14. A unit of the cross - sectional area of a wire.
CPLD
Circular Mil (CM)
Demultiplexer
CMOS Complementary Metal Oxide Semiconductor
15. Transistor-Transistor Logic and is implemented with bipolar junction transistors
Center Tap
Branch Current
Duty cycle
TTL
16. A method of analog- to- digital conversion using a 1- bit quantization process
Delta Modulation
Bus interface unit
Distributive Law
Amplitude
17. In Boolean algebra - the OR operation
Boundary scan
Boolean addition
CLB (Configurable Logic Block)
Don't Care...
18. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Dependency notation
DIMM
D Flip-Flop
Demultiplexer
19. An array of AND gates consisting of a matrix of programmable interconnection
Capacitance
Circuit
AND array
bed- of- nails
20. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Analog
Comparator
Charge- coupled device
Clock
21. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Combinational logic
Binary coded decimal
Antifuse
Distributive Law
22. In addition - the number to which the addend is added
Augend
AND gate
Branch
Clear
23. A receiving device on a bus
Data bus
Acceptor
Thevenin Equivalent Circuit
Carry
24. Sum of all the voltage drops in series equals to the source voltage
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25. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Associative law
Charge
ABEL(Advance Boolean Expression Language)
Norton's Theorem
26. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Capacitor
Design flow
Center Tap
Bus interface unit
27. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
DCE
Bus contention
Angular Velocity
Alphanumeric
28. A transformer in which the primary and secondary are in a single winding
Bistable
Counter
Autotransformer
Boolean addition
29. 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.
Admittance
Circuit
Ampere- hour(Ah) rating
Charge
30. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Decrement
ABEL(Advance Boolean Expression Language)
Asynchronous counter
Demultiplexer
31. An electrical instrument used to measure current
Center Tap
Ammeter
Collector
Analog- to- digital (A/D) conversion
32. A circuit with a complete current path
Data Sheet
AWG
Bit time
Closed circuit
33. A theorem that states that any amount of voltage sources and current sources can be combined into a single current source with a parallel resistor.
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34. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
CMOS Complementary Metal Oxide Semiconductor
Boundary scan
Alphanumeric
Acceptor
35. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Admittance
Alphanumeric
Autotransformer
Dependency notation
36. A programming language that uses English like words and has a one- to- one correspondence to machine language
AWG
Assembly language
Bipolar
Bus contention
37. The process or sequence of operations carried out to program a target device
Data Selector
Clear
Design flow
AWG
38. A type of IC package whose leads must pass through holes to the other side of a PC board
Dual in - line package
Commutative Law
Analog- to- digital (A/D) conversion
Carry
39. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Addend
Address Bus
Decoder
Bit time
40. The action of a circuit in which it accepts current into its output from a load
Commutative Law
Bus arbitration
Current sinking
Binary coded decimal
41. The range of frequencies for which the current (or output voltage) is equal to or greater than 70.7% of its value at the resonant frequency that is considered to be passed by a filter.
Commutative Law
Bandwidth
Architecture
Carry propagation
42. 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
Average value
bed- of- nails
Code
Augend
43. 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.
ALU
Balanced Load
Don't Care...
Array
44. Having two opposites charge carriers within the transistor structure
Bipolar
Assembly language
BJT
BIOS
45. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Cross - assembler
Address
Band- stop filter
Cascade
46. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
Capacitor
Dividend
AND
Cascade
47. A logic circuit used to add two binary numbers
Adder
Addend
Boolean multiplication
Data
48. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Cache memory
Carry propagation
Clock
Address Bus
49. The unit of electrical current
Circuit
Address Bus
Binary
Ampere
50. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Compiler
Amplitude
CMOS Complementary Metal Oxide Semiconductor
Dynamic Memory
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