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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. Dual in - line memory module
DSP
Component
DRAM
DIMM
2. The process that prevents two sources from using a bus at the same time
Digital linear tape
DAT
Bus arbitration
Vx=(Vs * Rx) /RT
3. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Astable
AND gate
Decode
BIOS
4. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Data Selector
Decoder
Balanced Bridge
Astable
5. A device used to convert an analog signal to a sequence of digital codes
Analog- to- digital converter(ADC)
Branch
BJT
Antifuse
6. A program that converts English- like mnemonics into machine code
Kirchoff's Current Law(KCL)
Autotransformer
Assembler
Assembly language
7. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Cache memory
Design flow
Kirchoff's Voltage Law
Dependency notation
8. An array of AND gates consisting of a matrix of programmable interconnection
Cascade
AND array
Balanced Bridge
Design flow
9. 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
Control Unit
Data bus
Collector
Norton's Theorem
10. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Boolean addition
Debug
Address
Carry propagation
11. A resettable protective device used for interrupting execessive current in an electric circuit
Addend
Center Tap
Don't Care...
Circuit Breaker
12. To decrease the binary state of a counter by one
Controller
Diode
Comparator
Decrement
13. Burst extended data output dynamic random- access memory
ALU
Dividend
BEDO DRAM
Bus interface unit
14. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Amplitude
Battery
CLB (Configurable Logic Block)
Branch
15. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Amplitude
Cache memory
Clock
Control Bus
16. A type of IC package whose leads must pass through holes to the other side of a PC board
Dual in - line package
Charge- coupled device
Cross - assembler
Aliasing
17. 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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18. A type of counter in which each stage is clocked from the output of the preceding stage.
Complement
DMA
Amplitude
Asynchronous counter
19. The actual current in a branch
Decoder
Band- stop filter
AND gate
Branch Current
20. A binary digit - which can be either 1 or 0
Control Bus
Address
Bit
Central processing unit
21. Consisting of numerals - letters - and other characters
ABEL(Advance Boolean Expression Language)
ANSI
Analog
Alphanumeric
22. A digital counter having ten states
Decoder
Clock
Decade Counter
Decimal
23. In addition - the number that is added to another number called the augend
Boolean multiplication
Code
Bitstream
Addend
24. In a division operation the quantity that is being divided
Dividend
Binary
Aliasing
DTE
25. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
Capacitance
Diode
Ampere- hour(Ah) rating
Binary coded decimal
26. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Access time
Data Sheet
Bipolar
Bus contention
27. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Adjacency
Atomic number
Admittance
Commutative Law
28. The graph of a filter's frequency response showing the change in the output voltage to input voltage ratio expressed in dB as a function of frequency for a constant input voltage
Boolean algebra
Bus
Decoder
Bode Plot
29. The time from the application of a valid memory address to the appearance of valid output data
Don't Care...
Access time
Atom
Amplitude
30. 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
Commutative Law
Combinational logic
Complement
Design flow
31. Having two directions. the stored data can be shifted right or left
Choke
Bit time
Bidirectional shift Register
Architecture
32. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Decode
Balanced Load
Capacitor
Charge- coupled device
33. A type of inductor used to block or choke off high frequencies
Kirchoff's Voltage Law
Admittance
Choke
BEDO DRAM
34. 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
Circuit
CLB (Configurable Logic Block)
Charge- coupled device
Cascade
35. A logic circuit used to add two binary numbers
Code
Adder
Addend
AND array
36. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Choke
Decode
Central processing unit
AND array
37. A series of bits describing a final design that is sent to the target device during programming
ABEL(Advance Boolean Expression Language)
Address
Addend
Bitstream
38. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Capacity
Boolean expression
AND array
Antifuse
39. A class of integrated logic circuits that is implemented with a type of field effect transistor
Comparator
Choke
Address Bus
CMOS Complementary Metal Oxide Semiconductor
40. 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
Data Selector
CPLD
CLB (Configurable Logic Block)
DRAM
41. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Comparator
Autotransformer
DIMM
Bidirectional shift Register
42. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Bit time
Charge
Carry propagation
Design flow
43. 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
Boolean addition
Bus
BJT
Ampere- hour(Ah) rating
44. In Boolean algebra - the AND operation
CMOS
Control Unit
Design flow
Boolean multiplication
45. Sum of all the voltage drops in series equals to the source voltage
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46. A receiving device on a bus
Boolean algebra
Circular Mil (CM)
Bus
Acceptor
47. 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
DSP
Clear
Capacitance Reactance
48. 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
AND
Adjacency
Balanced Bridge
49. Transistor-Transistor Logic and is implemented with bipolar junction transistors
Byte
TTL
DAT
Battery
50. Data Communications equipment
Amplitude
DCE
Clear
Cross - assembler
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