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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
Amplitude
Clear
Control Unit
Byte
2. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Carry
Boundary scan
Carry propagation
Alphanumeric
3. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Collector
Design flow
Capacity
Charge
4. Burst extended data output dynamic random- access memory
DSP
Control Unit
BEDO DRAM
Binary coded decimal
5. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Baseline
Commutative Law
DAT
Average value
6. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Compiler
Cache memory
Component
Dynamic Memory
7. A transformer in which the primary and secondary are in a single winding
Bleeder Current
Architecture
Delta Modulation
Autotransformer
8. The smallest particle of an element possessing the unique characteristics of that element.
Analog- to- digital converter(ADC)
Average value
Atom
Demultiplexer
9. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Distributive Law
Carry generation
Closed circuit
Array
10. Sum of all the voltage drops in series equals to the source voltage
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11. A combination of input literals that cannot occur and can be used as a 1 or 0 on a Karnaugh Map for simplification
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12. A type of inductor used to block or choke off high frequencies
Choke
Base
Analog- to- digital converter(ADC)
Buffer
13. Bipolar junction transistor; a semiconductor device used for switching or amplification. A BJT has two junctions - the base- emitter junction and the base- collector junction
BJT
Data Sheet
Carry generation
Complement
14. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Autotransformer
CPLD
ANSI
Bus interface unit
15. Having two opposites charge carriers within the transistor structure
Asynchronous counter
Associative law
Code
Bipolar
16. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Counter
Data Sheet
Ampere
Balanced Load
17. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Data bus
Address
Analog- to- digital converter(ADC)
Bit
18. A program that converts English- like mnemonics into machine code
Decode
Assembler
Analog- to- digital converter(ADC)
D Flip-Flop
19. In addition - the number to which the addend is added
Capacitance
Carry propagation
Data Selector
Augend
20. A semiconductor device that conducts current in only one direction
Dependency notation
Bus interface unit
Asynchronous counter
Diode
21. Dual in - line memory module
Assembler
DIMM
Digital linear tape
CMOS
22. A connection at the midpoint of a winding in a transformer
Comparator
Center Tap
Capacitance Reactance
Angular Velocity
23. To decrease the binary state of a counter by one
Addend
Decrement
Comparator
DCE
24. A group of eight bits
Delta Modulation
DSP
Comparator
Byte
25. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Code
Demultiplexer
Concurrency
Norton's Theorem
26. A method of analog- to- digital conversion using a 1- bit quantization process
Bleeder Current
Augend
Cache memory
Delta Modulation
27. In Boolean algebra - the OR operation
bed- of- nails
Decimal
Collector
Boolean addition
28. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
AWG
Atomic number
Capacitance Reactance
Boundary scan
29. Characterized by ten states or values
Binary coded decimal
Decade
BIOS
Dynamic Memory
30. A programming language that uses English like words and has a one- to- one correspondence to machine language
Ammeter
Clock
Analog- to- digital converter(ADC)
Assembly language
31. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Baseline
Antifuse
Attenuation
Cache memory
32. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Bidirectional shift Register
DRAM
Address Bus
Central processing unit
33. An array of AND gates consisting of a matrix of programmable interconnection
Norton's Theorem
Cache memory
AND array
Capacitance
34. The process of producing an output carry in full- adder when both input bits are 1s.
Collector
CMOS Complementary Metal Oxide Semiconductor
Carry generation
Average value
35. Information in numeric - alphabetic - or other form.
Commutative Law
ASCII
Atom
Data
36. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Data Sheet
BJT
Circuit Breaker
Charge
37. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Bitstream
Battery
Amplitude
Collector
38. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
DIMM
Cascade
Address Bus
Binary
39. Digital Signal Processor; a special type of microprocessor that processes data in real time
DSP
Central processing unit
Atom
AWG
40. Data Communications equipment
DCE
Boundary scan
Control Unit
AND
41. An electrical instrument used to measure current
Astable
Design flow
Ammeter
Augend
42. 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
Bus
Compiler
Decade Counter
DAT
43. The time from the application of a valid memory address to the appearance of valid output data
Analog- to- digital (A/D) conversion
Cache memory
Apparent power
Access time
44. The process that prevents two sources from using a bus at the same time
Vx=(Vs * Rx) /RT
Bus arbitration
Bias
Dependency notation
45. A method for the automated testing of printed circuit boards in which the board is mounted on a fixture that resembles a bed of nails that makes contact with test points
Associative law
Byte
Balanced Bridge
bed- of- nails
46. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
Buffer
Dynamic Memory
Battery
DRAM
47. A type of IC package whose leads must pass through holes to the other side of a PC board
Collector
Augend
Dual in - line package
Debug
48. 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
Ammeter
Bode Plot
Base address
Collector
49. A device used to convert an analog signal to a sequence of digital codes
Bit time
Component
Analog- to- digital converter(ADC)
Demultiplexer
50. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
Current sinking
Commutative Law
Analog
ALU