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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. An asynchronous input used to reset a flip- flop (make the Q output 0); to place a register or counter in the state in which it contains all 0's
Bipolar
Amplitude
Cascade
Clear
2. Digital audio tape; a type of magnetic tape format
DAT
Address
Boolean algebra
Bode Plot
3. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Capacitance
Concurrency
Bode Plot
Assembler
4. The smallest particle of an element possessing the unique characteristics of that element.
Clock
Adjacency
Atom
CMOS Complementary Metal Oxide Semiconductor
5. One of the three regions in a bipolar junction transistor
TTL
Delta Modulation
Circuit
Base
6. American Standard Code for Information Interchange; the most widely used alphanumeric code.
Boolean multiplication
Comparator
ASCII
AHDL
7. Sum of all the voltage drops in series equals to the source voltage
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8. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
CPLD
Analog- to- digital (A/D) conversion
ASCII
Dependency notation
9. A type of IC package whose leads must pass through holes to the other side of a PC board
Dual in - line package
Cascade
Binary
DMA
10. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Atomic number
Boundary scan
Band- stop filter
DSP
11. 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.
Address
Binary
Attenuation
Carry
12. Having two directions. the stored data can be shifted right or left
Don't Care...
Average value
Bidirectional shift Register
Data bus
13. The effect created when a signal is sampled at less than twice the signal frequency. Aliasing creates unwanted frequencies that interfere with the signal frequency.
Analog- to- digital converter(ADC)
Aliasing
Cascade
Decode
14. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Controller
Assembler
Dynamic Memory
BIOS
15. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Cache memory
CLB (Configurable Logic Block)
DIMM
Circuit Breaker
16. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
BEDO DRAM
DTE
Analog
Capacitor
17. A series of bits describing a final design that is sent to the target device during programming
Bitstream
Control Bus
Collector
Bipolar
18. An array of AND gates consisting of a matrix of programmable interconnection
Kirchoff's Current Law(KCL)
AND array
Cache memory
ANSI
19. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Address Bus
Analog- to- digital converter(ADC)
Kirchoff's Voltage Law
DSP
20. Digital Signal Processor; a special type of microprocessor that processes data in real time
CMOS
DSP
Adder
Assembler
21. 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.
Data
Closed circuit
Architecture
Assembler
22. A theorem that states that any amount of voltage sources and current sources can be combined into a single current source with a parallel resistor.
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23. 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
Choke
Ampere- hour(Ah) rating
ALU
Capacitance
24. A semiconductor device that conducts current in only one direction
Base address
Cache memory
Cross - assembler
Diode
25. An electrical instrument used to measure current
Antifuse
Duty cycle
Demultiplexer
Ammeter
26. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Bus interface unit
Circuit
Bus arbitration
Angular Velocity
27. In addition - the number to which the addend is added
Comparator
Circuit Breaker
CPLD
Augend
28. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Capacitance Reactance
DSP
Cache memory
Branch Current
29. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Analog- to- digital converter(ADC)
Branch Current
Battery
Dependency notation
30. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Data Sheet
Dividend
Controller
Choke
31. 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
Analog- to- digital (A/D) conversion
Balanced Load
Central processing unit
Bode Plot
32. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Boolean multiplication
Aliasing
Norton's Theorem
Decode
33. Data Terminal equipment
Capacitance
Bitstream
Debug
DTE
34. Information in numeric - alphabetic - or other form.
Ammeter
Data
Augend
Analog- to- digital converter(ADC)
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
Debug
Control Bus
Carry propagation
Bleeder Current
36. A condition where all the load currents are equal and the neutral current is zero
BIOS
Balanced Load
Analog- to- digital converter(ADC)
Center Tap
37. A programming language that uses English like words and has a one- to- one correspondence to machine language
Assembly language
Bias
Kirchoff's Current Law(KCL)
Balanced Bridge
38. An instrument that can specify each of the other instruments on the bus as either a talker or a listener for the purpose of data transfer.
Bit time
Base
Controller
Bus
39. 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
Buffer
Data bus
BEDO DRAM
Boolean algebra
40. One current path in a parallel circuit; a current path that connects two nodes
Analog
BJT
Concurrency
Branch
41. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Center Tap
AWG
Band- pass filter
Admittance
42. Data Communications equipment
Clear
Capacitance
DCE
AND array
43. A type of counter in which each stage is clocked from the output of the preceding stage.
Asynchronous counter
Battery
Controller
CMOS
44. A digital counter having ten states
Buffer
DIMM
bed- of- nails
Decade Counter
45. 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
Decade Counter
Cascade
Bias
Closed circuit
46. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Dynamic Memory
Cross - assembler
Dependency notation
Binary
47. In Boolean algebra - the OR operation
Boolean addition
CLB (Configurable Logic Block)
DIMM
Digital linear tape
48. A type of magnetic tape format
Norton's Theorem
DIMM
Associative law
Digital linear tape
49. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Decade Counter
Astable
CPLD
Commutative Law
50. Consisting of numerals - letters - and other characters
Commutative Law
AND array
Decade
Alphanumeric