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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. The process that prevents two sources from using a bus at the same time
Assembly language
Bus arbitration
Cross - assembler
CMOS
2. 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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3. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Carry
bed- of- nails
Associative law
Battery
4. Characterized by ten states or values
BJT
Array
Boolean algebra
Decade
5. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Control Bus
Amplitude
Capacitor
Norton's Theorem
6. The smallest particle of an element possessing the unique characteristics of that element.
Charge- coupled device
Base
Bleeder Current
Atom
7. 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
Adjacency
Address Bus
Balanced Bridge
TTL
8. The current left after the total load current is subtracted from the total current into the circuit
Autotransformer
Carry propagation
Bleeder Current
Thevenin Equivalent Circuit
9. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Ammeter
Data Sheet
Thevenin Equivalent Circuit
Bistable
10. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Norton's Theorem
Bus
Analog
Admittance
11. 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
AWG
Control Bus
Norton's Theorem
Dual in - line package
12. Data Terminal equipment
Kirchoff's Current Law(KCL)
Bandwidth
DTE
Boolean expression
13. American Standard Code for Information Interchange; the most widely used alphanumeric code.
Aliasing
ASCII
Clock
Capacitance
14. The beginning address of a segment of memory
Base address
Complement
Boolean addition
Bitstream
15. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Atom
Ampere
Bus interface unit
Angular Velocity
16. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Antifuse
Combinational logic
Control Bus
AHDL
17. Having two stable states. Flip- flops and latches are bistable multivibrators.
Bistable
Analog
Buffer
Don't Care...
18. In Boolean algebra - the AND operation
Cascade
Boolean multiplication
Antifuse
Atom
19. 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.
CPLD
Vx=(Vs * Rx) /RT
Bit time
Control Unit
20. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Clock
Associative law
Array
Analog- to- digital (A/D) conversion
21. Altera HDL; a nonstandard HDL
AHDL
Norton's Theorem
D Flip-Flop
Demultiplexer
22. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Kirchoff's Voltage Law
Complement
Address
Capacitance
23. In addition - the number that is added to another number called the augend
Ampere
Addend
Boolean addition
D Flip-Flop
24. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Comparator
Byte
ABEL(Advance Boolean Expression Language)
Controller
25. A digital circuit device that converts coded information into another (familiar) or noncoded form
Atom
Boolean addition
Balanced Bridge
Decoder
26. A type of inductor used to block or choke off high frequencies
Address Bus
Buffer
Distributive Law
Choke
27. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Data
Concurrency
Cache memory
Component
28. A series of bits describing a final design that is sent to the target device during programming
Clock
Bandwidth
Adjacency
Bitstream
29. The process of converting an analog signal to digital form
ANSI
Analog- to- digital (A/D) conversion
Compiler
Admittance
30. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
Decoder
Control Bus
DMA
Charge
31. 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
Bus interface unit
D Flip-Flop
Carry generation
32. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
CPLD
CMOS
Admittance
Carry generation
33. The unit of electrical current
Center Tap
Data
Ampere
AHDL
34. A logic gate that produces a High output only when all of the inputs are HIGH
Bit
AND gate
Central processing unit
Ammeter
35. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Commutative Law
Bleeder Current
Address
Distributive Law
36. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Atom
Boolean addition
Apparent power
Astable
37. An array of AND gates consisting of a matrix of programmable interconnection
AND array
Dividend
Bode Plot
Bus contention
38. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
Autotransformer
Baseline
Asynchronous counter
Circular Mil (CM)
39. A set of interconnections that interface one or more devices based on a standardized specification
Boolean algebra
Bus
Buffer
Thevenin Equivalent Circuit
40. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Charge
Balanced Load
Commutative Law
Binary
41. A receiving device on a bus
Acceptor
Bias
Capacitance Reactance
Attenuation
42. A program that converts English- like mnemonics into machine code
Assembler
Comparator
Bleeder Current
Average value
43. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
Augend
Bus arbitration
CPLD
Counter
44. Burst extended data output dynamic random- access memory
BEDO DRAM
D Flip-Flop
Astable
CMOS
45. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Capacitor
DRAM
Boolean multiplication
Component
46. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Combinational logic
Capacitance
Circuit
Ammeter
47. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
D Flip-Flop
Capacitance Reactance
Counter
Circular Mil (CM)
48. A binary digit - which can be either 1 or 0
Bode Plot
Bit
Bus interface unit
Decoder
49. One of the three regions in a bipolar junction transistor
Base
Distributive Law
Capacity
DIMM
50. American National Standards Institute
Decoder
Array
Control Bus
ANSI