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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 electrical instrument used to measure current
Don't Care...
Ammeter
Dependency notation
Bus arbitration
2. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Antifuse
Boolean addition
ALU
AWG
3. The process or sequence of operations carried out to program a target device
Average value
Design flow
Astable
Choke
4. A combined coder and decoder
Code
Compiler
Dynamic Memory
Carry propagation
5. A logic gate that produces a High output only when all of the inputs are HIGH
AHDL
Ampere- hour(Ah) rating
Access time
AND gate
6. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Average value
Aliasing
Complement
Balanced Bridge
7. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Control Unit
Controller
Ammeter
Angular Velocity
8. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Center Tap
Decoder
Admittance
Kirchoff's Current Law(KCL)
9. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
Code
Binary coded decimal
Counter
Capacitor
10. 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.
Aliasing
Ampere
Balanced Load
Decade Counter
11. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Dependency notation
Capacity
Capacitor
Debug
12. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Boolean algebra
Bus interface unit
Ammeter
CLB (Configurable Logic Block)
13. A series of bits describing a final design that is sent to the target device during programming
Norton's Theorem
Alphanumeric
Bitstream
Decrement
14. Digital audio tape; a type of magnetic tape format
DAT
Autotransformer
Bit time
Band- pass filter
15. Dual in - line memory module
Clear
DIMM
Binary
Capacitance Reactance
16. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Array
Don't Care...
Capacitance
ABEL(Advance Boolean Expression Language)
17. 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
Assembler
Complement
Byte
AHDL
18. A group of eight bits
Boolean expression
Decade
Clock
Byte
19. In addition - the number that is added to another number called the augend
Complement
ABEL(Advance Boolean Expression Language)
Branch Current
Addend
20. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Dynamic Memory
Capacitance Reactance
Bitstream
DAT
21. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
ASCII
Clear
Ampere- hour(Ah) rating
Band- stop filter
22. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
bed- of- nails
Battery
Branch Current
Decade
23. Describes a number system with a base of ten
Battery
Adder
Decimal
Carry generation
24. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Analog
Component
Architecture
Byte
25. A programming language that uses English like words and has a one- to- one correspondence to machine language
Assembly language
Branch
Attenuation
Associative law
26. A method of analog- to- digital conversion using a 1- bit quantization process
Delta Modulation
Autotransformer
Array
Aliasing
27. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
Dynamic Memory
Baseline
CPLD
DMA
28. In a PLD - a matrix formed by rows of product- term lines columns of input lines with a programmable cell at each junctions. In VHDL - an array is an ordered set of individual items called elements with a single identifier name.
CPLD
Decoder
Boolean algebra
Array
29. The beginning address of a segment of memory
Don't Care...
Diode
Base address
Balanced Bridge
30. A digital counter having ten states
Byte
Clear
Decade Counter
CLB (Configurable Logic Block)
31. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
ALU
DAT
Kirchoff's Current Law(KCL)
TTL
32. Digital Signal Processor; a special type of microprocessor that processes data in real time
Ammeter
DSP
BJT
Bias
33. A condition where all the load currents are equal and the neutral current is zero
Balanced Load
Current sinking
Boolean algebra
Bias
34. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Analog
Boolean algebra
Capacitance Reactance
Adder
35. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Decode
Bandwidth
Boolean expression
Decrement
36. 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
37. The application of a dc voltage to an electronic device to produce a desired mode of operation
Bias
Bidirectional shift Register
Carry
Concurrency
38. 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
Architecture
Adjacency
Closed circuit
Design flow
39. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
Angular Velocity
Analog
BIOS
Don't Care...
40. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
CMOS
Attenuation
Circular Mil (CM)
Associative law
41. Characterized by ten states or values
Decade
Carry
Comparator
Bit
42. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
Circuit Breaker
CPLD
AND
Bias
43. A device used to convert an analog signal to a sequence of digital codes
Analog- to- digital converter(ADC)
Adjacency
Decrement
Ampere- hour(Ah) rating
44. A binary digit - which can be either 1 or 0
Analog- to- digital converter(ADC)
Buffer
Bit
Bidirectional shift Register
45. One of the three regions in a bipolar junction transistor
ABEL(Advance Boolean Expression Language)
Base
Concurrency
ALU
46. A circuit with a complete current path
Bistable
DMA
Bus interface unit
Closed circuit
47. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Angular Velocity
Circuit Breaker
Carry
Apparent power
48. An expression of variables and operators used to express the operation of a logic circuit
Boolean expression
Atom
Bistable
Bus interface unit
49. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Boolean addition
Counter
DRAM
Central processing unit
50. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Band- stop filter
Current sinking
Dependency notation
Capacity