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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. In Boolean algebra - the OR operation
Assembly language
Boolean addition
bed- of- nails
Bistable
2. A set of conductive paths hat connects the CPU to other parts of the computer to coordinate its operations and to communicate with external devices
Data bus
Center Tap
Control Bus
Concurrency
3. Altera HDL; a nonstandard HDL
AHDL
AND gate
Boundary scan
Cache memory
4. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
Ammeter
Atomic number
Ampere
DMA
5. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Bandwidth
Data Sheet
Capacitance
Base
6. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Debug
Adder
Address
Bus contention
7. An electrical instrument used to measure current
Ammeter
Thevenin Equivalent Circuit
Atomic number
CPLD
8. The smallest particle of an element possessing the unique characteristics of that element.
Access time
Clear
Antifuse
Atom
9. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Circuit Breaker
bed- of- nails
Apparent power
Dynamic Memory
10. 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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11. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
D Flip-Flop
Vx=(Vs * Rx) /RT
Angular Velocity
Concurrency
12. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
D Flip-Flop
Address Bus
Decrement
Decade
13. American wire gauge; a standardization based on wire diameter
Associative law
Band- stop filter
AWG
Boolean algebra
14. A series of bits describing a final design that is sent to the target device during programming
Bitstream
Cross - assembler
Data
Address
15. 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
Counter
bed- of- nails
Code
Collector
16. The number of protons in a nucleus
Distributive Law
Atom
DRAM
Atomic number
17. The actual current in a branch
D Flip-Flop
Branch Current
Adder
Debug
18. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
Comparator
Control Bus
Binary coded decimal
Debug
19. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Bit time
Baseline
Compiler
Closed circuit
20. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
Analog
CPLD
Duty cycle
Adder
21. The digit generated when the sum of two binary digits exceeds 1
Circular Mil (CM)
Carry
Boolean algebra
Circuit
22. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Ammeter
Comparator
Binary coded decimal
ANSI
23. Having two opposites charge carriers within the transistor structure
ANSI
Distributive Law
Bipolar
Acceptor
24. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Bitstream
Component
CPLD
Digital linear tape
25. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Distributive Law
Atom
Boolean multiplication
CMOS Complementary Metal Oxide Semiconductor
26. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Vx=(Vs * Rx) /RT
Antifuse
Data
Delta Modulation
27. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Boolean addition
Analog
Don't Care...
Aliasing
28. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Center Tap
Combinational logic
Ampere
Bidirectional shift Register
29. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Boolean addition
Balanced Bridge
Data Selector
Aliasing
30. A bidirectional set of conductive paths on which data or instruction codes are transferred into a microprocessor or on which the result of an operation is sent out from the microprocessor
Comparator
Data bus
Battery
Commutative Law
31. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Decade
Buffer
Base address
Boundary scan
32. The application of a dc voltage to an electronic device to produce a desired mode of operation
Dependency notation
Bias
Assembler
Don't Care...
33. Information in numeric - alphabetic - or other form.
Data
Boundary scan
Ampere- hour(Ah) rating
Balanced Bridge
34. A class of integrated logic circuits that is implemented with a type of field effect transistor
Delta Modulation
CMOS Complementary Metal Oxide Semiconductor
Buffer
Bus
35. A circuit that prevents loading of an input or output
Band- stop filter
Bit
Counter
Buffer
36. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Dynamic Memory
Cross - assembler
BJT
CLB (Configurable Logic Block)
37. Data Communications equipment
DCE
Component
Bus interface unit
Amplitude
38. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
ALU
Carry propagation
Angular Velocity
Address
39. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Capacitor
Bus contention
Bidirectional shift Register
Circuit Breaker
40. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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41. 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.
Comparator
Architecture
Delta Modulation
Bit
42. A circuit with a complete current path
Assembler
Bit
CMOS
Closed circuit
43. Data Terminal equipment
DTE
Compiler
Access time
Decrement
44. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Component
Adjacency
BJT
Astable
45. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Base address
Admittance
Bit
Bandwidth
46. To decrease the binary state of a counter by one
CMOS Complementary Metal Oxide Semiconductor
Ammeter
Decrement
AND gate
47. Describes a number system with a base of ten
Decimal
Bistable
Distributive Law
Adder
48. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
Bus arbitration
ALU
AWG
DIMM
49. A group of eight bits
AHDL
Bandwidth
CLB (Configurable Logic Block)
Byte
50. Transistor-Transistor Logic and is implemented with bipolar junction transistors
TTL
Array
DMA
Dividend