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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. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Bidirectional shift Register
Circular Mil (CM)
Demultiplexer
Data Selector
2. The smallest particle of an element possessing the unique characteristics of that element.
Average value
Atom
Central processing unit
ALU
3. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
CMOS
Cross - assembler
Carry
DRAM
4. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
AND
Bleeder Current
Bus contention
Center Tap
5. 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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6. A method of analog- to- digital conversion using a 1- bit quantization process
Control Bus
Central processing unit
Address Bus
Delta Modulation
7. Digital Signal Processor; a special type of microprocessor that processes data in real time
DSP
DRAM
Decimal
CLB (Configurable Logic Block)
8. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Decode
Comparator
Assembler
Ampere- hour(Ah) rating
9. A type of magnetic tape format
Digital linear tape
Bit time
Boundary scan
Bandwidth
10. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Bipolar
Boundary scan
Battery
Component
11. 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
Angular Velocity
Balanced Load
Adjacency
Adder
12. Information in numeric - alphabetic - or other form.
Boolean multiplication
Astable
Data
Baseline
13. A logic gate that produces a High output only when all of the inputs are HIGH
Decimal
AND gate
Delta Modulation
Kirchoff's Current Law(KCL)
14. The beginning address of a segment of memory
Debug
Capacitor
Base address
Dual in - line package
15. A software compiler language for SPLD programming; a type of hardware description language (HDL)
CMOS
Distributive Law
ABEL(Advance Boolean Expression Language)
Compiler
16. Characterized by ten states or values
Decade
Decrement
Decade Counter
Byte
17. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Capacity
Associative law
Bias
Acceptor
18. A logic circuit used to add two binary numbers
Battery
Adder
Average value
Capacity
19. An expression of variables and operators used to express the operation of a logic circuit
Boolean expression
CMOS
Dividend
Branch
20. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Kirchoff's Current Law(KCL)
D Flip-Flop
Combinational logic
Circuit
21. A group of eight bits
Combinational logic
Byte
Dependency notation
Bit time
22. Digital audio tape; a type of magnetic tape format
Analog- to- digital converter(ADC)
DAT
Boolean algebra
Ammeter
23. 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
Data Sheet
Autotransformer
BJT
CLB (Configurable Logic Block)
24. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Diode
Antifuse
Bitstream
Norton's Theorem
25. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Concurrency
Clear
Counter
Astable
26. A programming language that uses English like words and has a one- to- one correspondence to machine language
Kirchoff's Current Law(KCL)
Assembly language
Atom
Carry generation
27. One of the three regions in a bipolar Junction transistor(North junction of NpN)
BJT
Buffer
Collector
Decoder
28. 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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29. 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
Decrement
Battery
Aliasing
Complement
30. 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.
Augend
ABEL(Advance Boolean Expression Language)
Boundary scan
Controller
31. The application of a dc voltage to an electronic device to produce a desired mode of operation
Circuit
Bias
Associative law
Combinational logic
32. Having two opposites charge carriers within the transistor structure
Decimal
Associative law
Bipolar
DMA
33. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Angular Velocity
BJT
Decade
Bistable
34. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
Cascade
Distributive Law
DAT
DMA
35. A unit of logic in an FPGA that is made up of multiple smaller logic modules and a local programmable interconnect that is used to connect logic modules within the CLB
Bit
Cross - assembler
Control Bus
CLB (Configurable Logic Block)
36. A reduction of the output signal compared to the input signal - resulting in a ratio with a value of less than 1 for the output voltage to the input voltage of a circuit.
Augend
DCE
Attenuation
Norton's Theorem
37. Burst extended data output dynamic random- access memory
Balanced Bridge
BEDO DRAM
Complement
Data Sheet
38. The number of protons in a nucleus
Circular Mil (CM)
Atomic number
Circuit Breaker
Clock
39. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Carry generation
Central processing unit
Address
Bus contention
40. The digit generated when the sum of two binary digits exceeds 1
Kirchoff's Voltage Law
Carry
ALU
Capacity
41. The mathematics of logic circuits
Boolean algebra
Bus interface unit
Byte
ABEL(Advance Boolean Expression Language)
42. American National Standards Institute
ASCII
Address
Decimal
ANSI
43. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Duty cycle
Code
Bode Plot
Central processing unit
44. 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
Cascade
Carry generation
Ampere
Dual in - line package
45. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Battery
Admittance
Component
DSP
46. The process of converting an analog signal to digital form
CLB (Configurable Logic Block)
Analog- to- digital (A/D) conversion
Control Unit
Architecture
47. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Closed circuit
Dynamic Memory
BJT
Charge- coupled device
48. One of the three regions in a bipolar junction transistor
Center Tap
Bidirectional shift Register
AWG
Base
49. American wire gauge; a standardization based on wire diameter
Boolean algebra
Component
AWG
Decode
50. The process that prevents two sources from using a bus at the same time
DMA
Bus arbitration
Clear
Amplitude