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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. Digital audio tape; a type of magnetic tape format
Amplitude
Bus
DAT
Don't Care...
2. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
AND array
ALU
Charge- coupled device
Bitstream
3. An application program in development software packages that controls the design flow process and translates source code into object code in a format that can be logically tested or downloaded to a target device
D Flip-Flop
CMOS Complementary Metal Oxide Semiconductor
Cache memory
Compiler
4. A condition where all the load currents are equal and the neutral current is zero
Current sinking
Alphanumeric
Autotransformer
Balanced Load
5. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Clock
AWG
CLB (Configurable Logic Block)
Apparent power
6. A connection at the midpoint of a winding in a transformer
AND gate
Center Tap
Compiler
Cascade
7. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Address Bus
Delta Modulation
Comparator
Autotransformer
8. A receiving device on a bus
Admittance
Code
Access time
Acceptor
9. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
ANSI
Balanced Bridge
DRAM
bed- of- nails
10. Having two stable states. Flip- flops and latches are bistable multivibrators.
Norton's Theorem
Kirchoff's Current Law(KCL)
Circuit
Bistable
11. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Bus contention
DMA
DAT
Band- stop filter
12. A combination of input literals that cannot occur and can be used as a 1 or 0 on a Karnaugh Map for simplification
13. 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.
14. American National Standards Institute
ANSI
Boolean expression
Cross - assembler
Design flow
15. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Base
Circuit Breaker
Bus arbitration
Address Bus
16. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Atom
Boundary scan
ASCII
Commutative Law
17. Altera HDL; a nonstandard HDL
Atom
Charge
AHDL
Collector
18. In a division operation the quantity that is being divided
Analog- to- digital (A/D) conversion
Closed circuit
Dividend
Control Bus
19. A two terminal circuit containing voltage sources - current sources - and resistors can be modeled as a voltage source in series with a resistor
Average value
Clock
Thevenin Equivalent Circuit
Bistable
20. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
DCE
Address
AND array
Charge
21. Digital Signal Processor; a special type of microprocessor that processes data in real time
Circuit
Data Sheet
DSP
AND
22. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Ammeter
ABEL(Advance Boolean Expression Language)
Boolean expression
Boundary scan
23. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
Carry propagation
Charge- coupled device
CPLD
Carry
24. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Charge- coupled device
Branch
Branch Current
Binary
25. 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
Bus interface unit
AND gate
Array
Cascade
26. A logic circuit used to add two binary numbers
Adder
Bode Plot
ASCII
Bandwidth
27. The ratio of pulse width to period expressed as a percentage
Duty cycle
Decade
Analog- to- digital (A/D) conversion
Circuit
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
DRAM
Bode Plot
Apparent power
Dual in - line package
29. The process that prevents two sources from using a bus at the same time
Capacity
Ammeter
Bus arbitration
Ampere- hour(Ah) rating
30. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.
Norton's Theorem
Average value
Binary coded decimal
Autotransformer
31. 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
ANSI
Cross - assembler
Ampere- hour(Ah) rating
Autotransformer
32. Having two directions. the stored data can be shifted right or left
Bidirectional shift Register
DTE
Compiler
TTL
33. A method of analog- to- digital conversion using a 1- bit quantization process
Decimal
Clear
Amplitude
Delta Modulation
34. The action of a circuit in which it accepts current into its output from a load
Carry
Current sinking
Boolean algebra
Dependency notation
35. The digit generated when the sum of two binary digits exceeds 1
Debug
Carry
Astable
Bias
36. The maximum value of a voltage or current
Amplitude
AHDL
DAT
DIMM
37. The beginning address of a segment of memory
Base address
Boolean addition
Debug
Assembly language
38. A resettable protective device used for interrupting execessive current in an electric circuit
Baseline
Circular Mil (CM)
Circuit Breaker
Dynamic Memory
39. A interconnection of electrical components designed to produce a desired result. A basic circuits consists of a source - a load and an interconnecting current path.
BJT
Circuit
Norton's Theorem
Battery
40. A set of interconnections that interface one or more devices based on a standardized specification
Bus
Amplitude
Bandwidth
AND
41. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Closed circuit
Current sinking
Circuit
Atom
42. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Augend
Boundary scan
Antifuse
Bipolar
43. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
AND gate
bed- of- nails
ABEL(Advance Boolean Expression Language)
CMOS
44. An expression of variables and operators used to express the operation of a logic circuit
bed- of- nails
Digital linear tape
Branch
Boolean expression
45. 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.
Analog
Decade Counter
Admittance
Controller
46. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Carry
Attenuation
Bit time
Access time
47. Data Terminal equipment
DTE
Branch Current
AND
Cross - assembler
48. Having two opposites charge carriers within the transistor structure
Decode
Bipolar
Base address
DTE
49. A type of inductor used to block or choke off high frequencies
Access time
Choke
BIOS
Aliasing
50. Sum of all the voltage drops in series equals to the source voltage