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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 unit of the cross - sectional area of a wire.
Base
Don't Care...
Circular Mil (CM)
Average value
2. 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.
Boolean algebra
Bandwidth
Bus interface unit
Carry
3. Describes a number system with a base of ten
Decimal
Collector
Alphanumeric
Battery
4. 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.
Cascade
Aliasing
Control Unit
Decrement
5. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Circuit
Base address
Central processing unit
Bode Plot
6. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
DIMM
Decoder
AND array
Binary
7. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Clear
Bitstream
Augend
Band- pass filter
8. A set of conductive paths hat connects the CPU to other parts of the computer to coordinate its operations and to communicate with external devices
Addend
Capacitor
CLB (Configurable Logic Block)
Control Bus
9. In Boolean algebra - the OR operation
Clock
Analog- to- digital converter(ADC)
Boolean addition
CMOS
10. 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
Complement
AND gate
Decimal
DTE
11. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
Baseline
Don't Care...
BIOS
Comparator
12. Consisting of numerals - letters - and other characters
Alphanumeric
AWG
Associative law
Distributive Law
13. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Analog- to- digital (A/D) conversion
Kirchoff's Voltage Law
Comparator
Circuit Breaker
14. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Charge- coupled device
Decade
Norton's Theorem
Average value
15. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Data Sheet
Base
Analog- to- digital (A/D) conversion
Bus
16. The time from the application of a valid memory address to the appearance of valid output data
Access time
Decode
Battery
Don't Care...
17. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Decrement
Angular Velocity
Distributive Law
TTL
18. Having two opposites charge carriers within the transistor structure
Complement
Compiler
Dual in - line package
Bipolar
19. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Antifuse
Bipolar
Bus arbitration
Boolean addition
20. Digital Signal Processor; a special type of microprocessor that processes data in real time
Bipolar
DSP
AND array
Decrement
21. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
CMOS
Circuit
Asynchronous counter
Central processing unit
22. One of the three regions in a bipolar junction transistor
Address
Base
Bit
Bitstream
23. A software compiler language for SPLD programming; a type of hardware description language (HDL)
ABEL(Advance Boolean Expression Language)
Bleeder Current
Data Selector
Branch Current
24. 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
25. A circuit with a complete current path
Carry propagation
Apparent power
Closed circuit
CPLD
26. 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
Associative law
Bit
Architecture
BJT
27. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
Ammeter
Data Selector
DRAM
BIOS
28. Characterized by ten states or values
Decade
Choke
Cache memory
Combinational logic
29. Dual in - line memory module
BIOS
Boolean expression
DIMM
Base
30. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Capacitance Reactance
Dividend
Bandwidth
Dependency notation
31. A type of magnetic tape format
Assembly language
Digital linear tape
Array
Dividend
32. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
TTL
Dependency notation
Combinational logic
Asynchronous counter
33. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Bipolar
Atomic number
Dividend
Capacitance Reactance
34. A set of interconnections that interface one or more devices based on a standardized specification
Boolean addition
CPLD
Bus
bed- of- nails
35. The process that prevents two sources from using a bus at the same time
ANSI
Bus arbitration
Clock
Capacitance Reactance
36. Data Terminal equipment
DTE
ALU
Closed circuit
DRAM
37. In Boolean algebra - the AND operation
Current sinking
Boolean multiplication
Data Sheet
Complement
38. An array of AND gates consisting of a matrix of programmable interconnection
AND array
DAT
Decade
Bus arbitration
39. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
Charge
DMA
Access time
Carry
40. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Decimal
DRAM
Cache memory
Amplitude
41. 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
Ampere- hour(Ah) rating
BEDO DRAM
Aliasing
ABEL(Advance Boolean Expression Language)
42. A type of IC package whose leads must pass through holes to the other side of a PC board
Dual in - line package
DRAM
Decode
Ampere
43. An expression of variables and operators used to express the operation of a logic circuit
Boolean expression
Component
Compiler
Counter
44. A logic gate that produces a High output only when all of the inputs are HIGH
Data Selector
AND gate
Bias
Base
45. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Angular Velocity
Amplitude
Band- pass filter
Decade Counter
46. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
DRAM
Astable
Average value
Bistable
47. 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
Cache memory
Atom
DMA
CLB (Configurable Logic Block)
48. A circuit that prevents loading of an input or output
ANSI
Binary coded decimal
Thevenin Equivalent Circuit
Buffer
49. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Cross - assembler
Carry generation
Bit
Battery
50. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
ALU
ANSI
Associative law
DMA