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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 normal level of a pulse waveform; the voltage level in the absence of a pulse.
Alphanumeric
Baseline
Center Tap
Bistable
2. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
AWG
D Flip-Flop
Compiler
Bandwidth
3. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Carry propagation
Data Sheet
Capacitance
Duty cycle
4. A set of interconnections that interface one or more devices based on a standardized specification
Bus
CLB (Configurable Logic Block)
Atomic number
Vx=(Vs * Rx) /RT
5. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Bleeder Current
Bidirectional shift Register
Apparent power
AND gate
6. 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
ASCII
DTE
Bode Plot
Adder
7. A programming language that uses English like words and has a one- to- one correspondence to machine language
Assembly language
Bus interface unit
Associative law
CPLD
8. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Angular Velocity
Bus
Capacity
Control Unit
9. 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.
Adder
Debug
Aliasing
Complement
10. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Decrement
Admittance
Center Tap
Dividend
11. 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.
Norton's Theorem
Carry propagation
Angular Velocity
Architecture
12. Transistor-Transistor Logic and is implemented with bipolar junction transistors
AND array
Ampere
Vx=(Vs * Rx) /RT
TTL
13. In addition - the number that is added to another number called the augend
Base address
Addend
Counter
Apparent power
14. Digital Signal Processor; a special type of microprocessor that processes data in real time
Counter
Bit
Data
DSP
15. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
Don't Care...
Admittance
DRAM
Demultiplexer
16. A type of magnetic tape format
Digital linear tape
Decrement
TTL
Binary
17. American National Standards Institute
Capacitance Reactance
Base address
DAT
ANSI
18. Having two opposites charge carriers within the transistor structure
Bistable
Charge- coupled device
Average value
Bipolar
19. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Bus
Component
Current sinking
CLB (Configurable Logic Block)
20. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Capacitor
Counter
Vx=(Vs * Rx) /RT
Band- pass filter
21. The range of frequencies for which the current (or output voltage) is equal to or greater than 70.7% of its value at the resonant frequency that is considered to be passed by a filter.
Bandwidth
ALU
Clock
Balanced Bridge
22. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Data Sheet
Address Bus
CMOS Complementary Metal Oxide Semiconductor
Closed circuit
23. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
Decoder
Branch Current
Binary coded decimal
Bode Plot
24. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Balanced Load
Address
ABEL(Advance Boolean Expression Language)
BIOS
25. Data Terminal equipment
Bidirectional shift Register
DTE
Amplitude
Controller
26. Data Communications equipment
Commutative Law
Choke
Branch
DCE
27. A receiving device on a bus
Thevenin Equivalent Circuit
Acceptor
Charge- coupled device
Aliasing
28. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
CLB (Configurable Logic Block)
Address
CPLD
ALU
29. Describes a number system with a base of ten
Decimal
Delta Modulation
Code
Binary coded decimal
30. A resettable protective device used for interrupting execessive current in an electric circuit
bed- of- nails
Analog- to- digital converter(ADC)
Augend
Circuit Breaker
31. A condition where all the load currents are equal and the neutral current is zero
Circuit Breaker
Balanced Load
Bandwidth
Comparator
32. A circuit that prevents loading of an input or output
Bit time
AND array
Analog- to- digital converter(ADC)
Buffer
33. The mathematics of logic circuits
Norton's Theorem
Boolean algebra
Base
Array
34. 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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183
35. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
TTL
Buffer
Norton's Theorem
Band- pass filter
36. 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
Compiler
Circuit
Branch Current
Angular Velocity
37. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
Byte
BIOS
Ampere- hour(Ah) rating
Charge- coupled device
38. One current path in a parallel circuit; a current path that connects two nodes
Branch
ABEL(Advance Boolean Expression Language)
Charge- coupled device
Bipolar
39. A binary digit - which can be either 1 or 0
CLB (Configurable Logic Block)
Bit
Dependency notation
Atomic number
40. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Bus interface unit
Band- stop filter
Balanced Bridge
Acceptor
41. The actual current in a branch
Control Bus
Admittance
Vx=(Vs * Rx) /RT
Branch Current
42. Information in numeric - alphabetic - or other form.
Delta Modulation
Bipolar
Data
Comparator
43. An electrical instrument used to measure current
Code
Ammeter
Charge
Branch Current
44. A series of bits describing a final design that is sent to the target device during programming
Bitstream
Diode
Bistable
Byte
45. The unit of electrical current
Amplitude
Data bus
Ampere
Byte
46. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Data Selector
Cache memory
CMOS Complementary Metal Oxide Semiconductor
Center Tap
47. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Band- pass filter
Vx=(Vs * Rx) /RT
Capacity
Bus interface unit
48. A class of integrated logic circuits that is implemented with a type of field effect transistor
Analog
Dynamic Memory
CMOS Complementary Metal Oxide Semiconductor
Choke
49. A logic gate that produces a High output only when all of the inputs are HIGH
CMOS Complementary Metal Oxide Semiconductor
Circuit
DRAM
AND gate
50. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Capacitance Reactance
Code
Norton's Theorem
Amplitude