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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 action of a circuit in which it accepts current into its output from a load
Current sinking
Band- pass filter
Capacitor
Clear
2. A unit of the cross - sectional area of a wire.
Kirchoff's Current Law(KCL)
Circular Mil (CM)
Address
Don't Care...
3. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Adjacency
DIMM
Bus contention
Array
4. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Delta Modulation
Amplitude
Charge
Bit time
5. A type of IC package whose leads must pass through holes to the other side of a PC board
CLB (Configurable Logic Block)
Array
Concurrency
Dual in - line package
6. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Distributive Law
Antifuse
Code
BEDO DRAM
7. A type of counter in which each stage is clocked from the output of the preceding stage.
Angular Velocity
Band- pass filter
Asynchronous counter
Cache memory
8. An expression of variables and operators used to express the operation of a logic circuit
Ampere
Balanced Bridge
Center Tap
Boolean expression
9. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Adjacency
Ammeter
Carry generation
Binary
10. Digital audio tape; a type of magnetic tape format
Vx=(Vs * Rx) /RT
Don't Care...
DAT
Distributive Law
11. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Charge- coupled device
Bitstream
Base
Decrement
12. Data Terminal equipment
Average value
Carry
Adder
DTE
13. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
DIMM
Apparent power
ABEL(Advance Boolean Expression Language)
Capacity
14. American Standard Code for Information Interchange; the most widely used alphanumeric code.
ASCII
Vx=(Vs * Rx) /RT
Dual in - line package
Bidirectional shift Register
15. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
AND array
Band- pass filter
Amplitude
Capacitance
16. A resettable protective device used for interrupting execessive current in an electric circuit
Circuit Breaker
Boolean expression
Cross - assembler
Baseline
17. A receiving device on a bus
CMOS Complementary Metal Oxide Semiconductor
Acceptor
Angular Velocity
Byte
18. The ratio of pulse width to period expressed as a percentage
Duty cycle
Acceptor
Assembler
Dependency notation
19. A type of magnetic tape format
CMOS
Digital linear tape
Circular Mil (CM)
DRAM
20. The beginning address of a segment of memory
Dual in - line package
Base address
Byte
Buffer
21. 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
Bus interface unit
Digital linear tape
Ampere- hour(Ah) rating
Boundary scan
22. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
DAT
Bleeder Current
Clear
Battery
23. 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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on line
183
24. The smallest particle of an element possessing the unique characteristics of that element.
Address Bus
Commutative Law
Band- stop filter
Atom
25. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Circular Mil (CM)
CMOS
Comparator
Charge
26. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Binary
Clock
Aliasing
Balanced Bridge
27. To decrease the binary state of a counter by one
Decrement
Dynamic Memory
Data Sheet
Admittance
28. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Binary coded decimal
AND
Cache memory
Capacity
29. 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
Adjacency
Binary
Circuit Breaker
Carry propagation
30. American National Standards Institute
ANSI
CLB (Configurable Logic Block)
Bandwidth
Associative law
31. Information in numeric - alphabetic - or other form.
Data
Dependency notation
Counter
Carry propagation
32. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Analog- to- digital converter(ADC)
Addend
Boolean expression
Collector
33. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
Asynchronous counter
Branch Current
TTL
ALU
34. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Vx=(Vs * Rx) /RT
Data
Data Sheet
Bidirectional shift Register
35. 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
Address Bus
Cross - assembler
D Flip-Flop
CLB (Configurable Logic Block)
36. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Control Bus
Address Bus
Boolean addition
Ampere- hour(Ah) rating
37. Having two opposites charge carriers within the transistor structure
Bipolar
Clear
Branch Current
Buffer
38. A logic circuit used to add two binary numbers
Byte
Adder
Design flow
Augend
39. To connect 'end- to- end' as when several counters are connected from the terminal count output of one counter to the enable input of the next counter
Capacitance Reactance
Balanced Load
Bipolar
Cascade
40. A condition where all the load currents are equal and the neutral current is zero
Bleeder Current
Amplitude
Balanced Load
Compiler
41. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Capacitor
Atom
Binary coded decimal
Controller
42. The process of producing an output carry in full- adder when both input bits are 1s.
Data Selector
Carry generation
Apparent power
Bus interface unit
43. The unit of electrical current
Decade Counter
Ampere
Compiler
Access time
44. Altera HDL; a nonstandard HDL
Boundary scan
Bus interface unit
ABEL(Advance Boolean Expression Language)
AHDL
45. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
Charge
CLB (Configurable Logic Block)
DMA
Average value
46. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Cache memory
Complement
Buffer
Circuit
47. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Decoder
ABEL(Advance Boolean Expression Language)
Cross - assembler
Data Sheet
48. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
BIOS
Demultiplexer
Bode Plot
AHDL
49. Consisting of numerals - letters - and other characters
Adder
Closed circuit
CLB (Configurable Logic Block)
Alphanumeric
50. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
Ampere
Commutative Law
CPLD
DAT