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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 interval of time occupied by a single bit in a sequence of bits; the period of the clock
Collector
Bode Plot
Bit time
Average value
2. A resettable protective device used for interrupting execessive current in an electric circuit
Circuit Breaker
Autotransformer
Bus arbitration
ALU
3. A receiving device on a bus
Acceptor
Average value
Carry generation
Debug
4. A digital circuit device that converts coded information into another (familiar) or noncoded form
Decoder
Bus
Carry generation
Augend
5. The process of producing an output carry in full- adder when both input bits are 1s.
Base
Carry generation
Decade Counter
Commutative Law
6. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
CLB (Configurable Logic Block)
DAT
Commutative Law
AWG
7. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Charge- coupled device
CPLD
Data Sheet
Component
8. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
ABEL(Advance Boolean Expression Language)
Amplitude
Balanced Load
DMA
9. 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
Cache memory
Counter
Bitstream
10. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Addend
Debug
Capacity
Charge
11. A type of magnetic tape format
Capacitance
AND gate
Digital linear tape
Carry generation
12. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Norton's Theorem
DSP
Astable
Bitstream
13. 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
Assembly language
D Flip-Flop
Bus contention
Adjacency
14. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Bipolar
Base
Choke
Address Bus
15. In Boolean algebra - the OR operation
Band- pass filter
ABEL(Advance Boolean Expression Language)
Boolean addition
Decoder
16. A condition where all the load currents are equal and the neutral current is zero
Control Bus
Delta Modulation
Balanced Load
Aliasing
17. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Cross - assembler
Vx=(Vs * Rx) /RT
BJT
Ammeter
18. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Boundary scan
Address
Alphanumeric
Array
19. A circuit that prevents loading of an input or output
Buffer
Assembly language
Bit time
Band- stop filter
20. 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
Ampere
Decode
CLB (Configurable Logic Block)
AND array
21. The maximum value of a voltage or current
Control Unit
Charge- coupled device
Compiler
Amplitude
22. American wire gauge; a standardization based on wire diameter
Circuit Breaker
BEDO DRAM
AWG
Digital linear tape
23. A software compiler language for SPLD programming; a type of hardware description language (HDL)
ABEL(Advance Boolean Expression Language)
Data Selector
Clear
Closed circuit
24. Burst extended data output dynamic random- access memory
Atomic number
CPLD
Demultiplexer
BEDO DRAM
25. A connection at the midpoint of a winding in a transformer
Center Tap
ASCII
Current sinking
Bleeder Current
26. A logic circuit used to add two binary numbers
AND array
Compiler
Adder
Analog- to- digital converter(ADC)
27. Information in numeric - alphabetic - or other form.
Data
Base address
Balanced Bridge
Code
28. Altera HDL; a nonstandard HDL
Autotransformer
AHDL
Addend
Battery
29. A binary digit - which can be either 1 or 0
Bit
Atomic number
Address
Band- stop filter
30. To decrease the binary state of a counter by one
Distributive Law
Decrement
Comparator
Data
31. A logic gate that produces a High output only when all of the inputs are HIGH
AND gate
CMOS Complementary Metal Oxide Semiconductor
Dependency notation
Combinational logic
32. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Center Tap
Astable
Bias
Battery
33. 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
Circuit
Carry propagation
Thevenin Equivalent Circuit
ABEL(Advance Boolean Expression Language)
34. Transistor-Transistor Logic and is implemented with bipolar junction transistors
TTL
Closed circuit
Bipolar
Clock
35. 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
Average value
Ampere
Carry propagation
Control Bus
36. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Diode
Admittance
AND array
Bipolar
37. In addition - the number that is added to another number called the augend
Addend
AND array
BIOS
Design flow
38. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
Charge
Cache memory
ALU
Data Selector
39. Having two opposites charge carriers within the transistor structure
Boolean algebra
Bleeder Current
Clear
Bipolar
40. 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
bed- of- nails
Charge- coupled device
Bus
CPLD
41. 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
Balanced Bridge
Complement
Access time
42. Data Terminal equipment
Analog
Capacitance Reactance
Kirchoff's Current Law(KCL)
DTE
43. The number of protons in a nucleus
Atomic number
Analog- to- digital converter(ADC)
Balanced Bridge
Battery
44. 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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45. A device used to convert an analog signal to a sequence of digital codes
Decade Counter
Analog- to- digital converter(ADC)
Compiler
Bit time
46. Characterized by ten states or values
CPLD
Bode Plot
Capacitor
Decade
47. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
DRAM
Aliasing
Antifuse
BIOS
48. 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.
ASCII
AWG
Attenuation
Average value
49. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
AND array
Address
Code
CMOS
50. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Antifuse
DSP
Cross - assembler
Complement