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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. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Controller
Center Tap
CMOS Complementary Metal Oxide Semiconductor
Collector
2. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
Band- pass filter
BIOS
Kirchoff's Voltage Law
Capacity
3. In addition - the number that is added to another number called the augend
Debug
Addend
DCE
D Flip-Flop
4. A group of eight bits
Capacitance Reactance
Byte
Alphanumeric
Bidirectional shift Register
5. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Current sinking
Capacitance Reactance
ABEL(Advance Boolean Expression Language)
Apparent power
6. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Analog
Diode
Bit time
Central processing unit
7. 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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8. 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
Dependency notation
Branch
Cascade
AWG
9. 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
Counter
Complement
Acceptor
Bus contention
10. 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.
Attenuation
Dynamic Memory
Collector
Don't Care...
11. Having two opposites charge carriers within the transistor structure
Decrement
Band- pass filter
Data bus
Bipolar
12. 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
ALU
Control Unit
Attenuation
Control Bus
13. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Distributive Law
Cross - assembler
Assembly language
Decrement
14. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Bus contention
Bode Plot
Astable
Delta Modulation
15. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Don't Care...
Carry propagation
DAT
Circuit
16. In a division operation the quantity that is being divided
Dividend
Band- stop filter
Circuit
Dependency notation
17. A programming language that uses English like words and has a one- to- one correspondence to machine language
Byte
Control Bus
Address Bus
Assembly language
18. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Distributive Law
Current sinking
Comparator
Cascade
19. The number of protons in a nucleus
Amplitude
Atomic number
DTE
Control Unit
20. The time from the application of a valid memory address to the appearance of valid output data
Ampere- hour(Ah) rating
Access time
Capacity
Ammeter
21. The beginning address of a segment of memory
Base address
Bitstream
Debug
Binary
22. Sum of all the voltage drops in series equals to the source voltage
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23. American National Standards Institute
Boolean expression
Choke
Array
ANSI
24. The process that prevents two sources from using a bus at the same time
Bus arbitration
DCE
Complement
Carry
25. 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
Boolean expression
Circuit Breaker
Analog- to- digital converter(ADC)
CLB (Configurable Logic Block)
26. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Current sinking
Assembler
Decode
Apparent power
27. An expression of variables and operators used to express the operation of a logic circuit
Binary coded decimal
Address Bus
Boolean expression
Commutative Law
28. 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.
Architecture
Control Bus
Cross - assembler
Bitstream
29. In Boolean algebra - the AND operation
Boolean multiplication
Bandwidth
Kirchoff's Current Law(KCL)
ALU
30. The ratio of pulse width to period expressed as a percentage
Bipolar
Norton's Theorem
Duty cycle
Boundary scan
31. Having two directions. the stored data can be shifted right or left
Dynamic Memory
DTE
Carry propagation
Bidirectional shift Register
32. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Capacity
Assembly language
Data Selector
Current sinking
33. One current path in a parallel circuit; a current path that connects two nodes
Branch
DMA
ANSI
Base address
34. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Acceptor
Address Bus
Center Tap
Data
35. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Digital linear tape
Ampere
Balanced Load
Admittance
36. 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
Clear
Alphanumeric
Dividend
bed- of- nails
37. A receiving device on a bus
BEDO DRAM
ANSI
Data bus
Acceptor
38. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Address
Balanced Load
Base
Central processing unit
39. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Concurrency
Addend
Dual in - line package
Compiler
40. A device used to convert an analog signal to a sequence of digital codes
Clock
Diode
Analog- to- digital converter(ADC)
Augend
41. The unit of electrical current
Ampere
Dynamic Memory
Comparator
bed- of- nails
42. 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
Delta Modulation
Data bus
Amplitude
Binary
43. Bipolar junction transistor; a semiconductor device used for switching or amplification. A BJT has two junctions - the base- emitter junction and the base- collector junction
BJT
Apparent power
Current sinking
DAT
44. 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
Complement
Ampere- hour(Ah) rating
BJT
Bode Plot
45. A resettable protective device used for interrupting execessive current in an electric circuit
Circuit Breaker
Demultiplexer
Dependency notation
Bias
46. An array of AND gates consisting of a matrix of programmable interconnection
Charge
Cascade
AND array
Bus arbitration
47. A series of bits describing a final design that is sent to the target device during programming
Bitstream
Augend
Amplitude
Counter
48. Burst extended data output dynamic random- access memory
Delta Modulation
AHDL
Bus contention
BEDO DRAM
49. 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
Atom
Decade
Augend
50. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Boolean addition
ABEL(Advance Boolean Expression Language)
AND
Code