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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. Having two directions. the stored data can be shifted right or left
Debug
Bidirectional shift Register
Bandwidth
BJT
2. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Analog
Admittance
Cascade
Demultiplexer
3. A method of analog- to- digital conversion using a 1- bit quantization process
Commutative Law
Choke
Delta Modulation
BIOS
4. 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.
Admittance
Architecture
Autotransformer
AHDL
5. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Band- pass filter
CLB (Configurable Logic Block)
Apparent power
Buffer
6. The ability of a capacitor to store electrical charge.
Capacitance
Alphanumeric
Bus contention
Assembly language
7. A logic gate that produces a High output only when all of the inputs are HIGH
AND gate
ANSI
Balanced Load
Decode
8. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
Binary
Center Tap
CMOS
Aliasing
9. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Circuit
Debug
Carry propagation
Boolean addition
10. The portion within the microprocessor that provides the timing and control signals for getting data into and out of the microprocessor and for synchronizing the execution of instructions.
bed- of- nails
Control Unit
Baseline
CPLD
11. The maximum value of a voltage or current
Cache memory
Amplitude
Dual in - line package
Array
12. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Capacitance Reactance
Amplitude
Circuit
Bleeder Current
13. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Bus arbitration
Circuit Breaker
Battery
Bitstream
14. 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
Alphanumeric
Base address
Ampere- hour(Ah) rating
Boolean expression
15. A combined coder and decoder
Bus contention
Capacitance
Code
Don't Care...
16. Describes a number system with a base of ten
Decimal
Central processing unit
Baseline
DSP
17. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Angular Velocity
Branch
Comparator
Dependency notation
18. The smallest particle of an element possessing the unique characteristics of that element.
Atom
Bipolar
Boolean addition
Asynchronous counter
19. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Digital linear tape
Analog
Carry propagation
Don't Care...
20. In Boolean algebra - the OR operation
Array
Bit
Assembler
Boolean addition
21. Burst extended data output dynamic random- access memory
Autotransformer
Cascade
BEDO DRAM
Base
22. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
TTL
Aliasing
ALU
Bias
23. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Current sinking
Branch Current
Band- pass filter
Astable
24. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Assembler
Boundary scan
Apparent power
Code
25. A type of IC package whose leads must pass through holes to the other side of a PC board
Band- stop filter
Angular Velocity
Dual in - line package
bed- of- nails
26. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Assembly language
Dependency notation
Data Sheet
Complement
27. In addition - the number to which the addend is added
Buffer
Augend
Bistable
Ampere
28. An expression of variables and operators used to express the operation of a logic circuit
Concurrency
Branch Current
Bus
Boolean expression
29. A programming language that uses English like words and has a one- to- one correspondence to machine language
Bit
Assembly language
Analog
Closed circuit
30. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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183
31. Data Communications equipment
Ampere
ASCII
DCE
Asynchronous counter
32. A circuit with a complete current path
Diode
AND
DSP
Closed circuit
33. The current left after the total load current is subtracted from the total current into the circuit
Decade Counter
Bleeder Current
Asynchronous counter
TTL
34. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Circuit
Balanced Load
Data
Apparent power
35. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Architecture
AND
Binary
Boolean addition
36. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
Duty cycle
Binary coded decimal
Analog- to- digital converter(ADC)
Bit
37. A digital counter having ten states
Ammeter
Astable
Delta Modulation
Decade Counter
38. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Commutative Law
Address Bus
Code
Capacitor
39. 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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40. A device used to convert an analog signal to a sequence of digital codes
Analog- to- digital converter(ADC)
Acceptor
Design flow
Array
41. A connection at the midpoint of a winding in a transformer
Commutative Law
Clear
CMOS Complementary Metal Oxide Semiconductor
Center Tap
42. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Duty cycle
Counter
Design flow
Antifuse
43. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Band- stop filter
Architecture
Capacity
Buffer
44. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Assembler
Cache memory
Data Selector
Choke
45. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
DRAM
DTE
Architecture
Circuit
46. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Dependency notation
Comparator
Dynamic Memory
Amplitude
47. The actual current in a branch
Boolean algebra
Astable
Branch Current
Decade Counter
48. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
Amplitude
DMA
AHDL
AWG
49. The process of rippling an input carry to become the output carry in a full- adder when either or both of the input bits are 1's and the input carry is a 1
Capacitor
Carry propagation
Current sinking
Binary coded decimal
50. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Band- stop filter
Concurrency
Band- pass filter
Demultiplexer