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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 electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Circuit
Component
Charge
Control Bus
2. A type of inductor used to block or choke off high frequencies
Choke
BJT
Combinational logic
Carry propagation
3. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Balanced Load
Baseline
Data Sheet
AND
4. A interconnection of electrical components designed to produce a desired result. A basic circuits consists of a source - a load and an interconnecting current path.
Circuit
Control Unit
Comparator
DSP
5. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Data Selector
DMA
Average value
Analog
6. Digital Signal Processor; a special type of microprocessor that processes data in real time
Decade Counter
Controller
DSP
Amplitude
7. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Kirchoff's Current Law(KCL)
Decode
ANSI
Bode Plot
8. A circuit with a complete current path
D Flip-Flop
Closed circuit
Bistable
Balanced Bridge
9. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Assembly language
Alphanumeric
DTE
Address Bus
10. The ability of a capacitor to store electrical charge.
CMOS Complementary Metal Oxide Semiconductor
Capacitance
Circular Mil (CM)
Carry propagation
11. A logic gate that produces a High output only when all of the inputs are HIGH
AND gate
Boolean multiplication
Architecture
Ampere
12. A resettable protective device used for interrupting execessive current in an electric circuit
Bipolar
Diode
Circuit Breaker
Data Sheet
13. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Buffer
Band- pass filter
Comparator
ANSI
14. 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
Charge
Comparator
Bipolar
Carry propagation
15. A group of eight bits
Architecture
Byte
Amplitude
Angular Velocity
16. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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183
17. An array of AND gates consisting of a matrix of programmable interconnection
Combinational logic
Autotransformer
Asynchronous counter
AND array
18. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Cache memory
Control Bus
Architecture
Battery
19. 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
Decimal
bed- of- nails
Amplitude
Baseline
20. 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
Decrement
AHDL
CLB (Configurable Logic Block)
Boolean multiplication
21. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Diode
Bias
Control Bus
Demultiplexer
22. 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
CMOS
Ampere- hour(Ah) rating
Analog- to- digital (A/D) conversion
Digital linear tape
23. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Bus interface unit
Capacity
Counter
Binary
24. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Cross - assembler
Binary
Amplitude
Central processing unit
25. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Capacity
Clock
Carry
Concurrency
26. The mathematics of logic circuits
BEDO DRAM
Decade
Boolean algebra
BJT
27. The process of producing an output carry in full- adder when both input bits are 1s.
Vx=(Vs * Rx) /RT
Carry generation
DMA
AND array
28. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Carry
Data bus
Boundary scan
Associative law
29. A digital circuit device that converts coded information into another (familiar) or noncoded form
AND gate
Decoder
Circuit Breaker
Augend
30. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Address
Central processing unit
Ampere
Band- pass filter
31. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Capacitance Reactance
Boolean addition
Choke
Collector
32. A set of interconnections that interface one or more devices based on a standardized specification
Bus
AND array
Base address
Battery
33. American Standard Code for Information Interchange; the most widely used alphanumeric code.
Clear
Decoder
Boolean multiplication
ASCII
34. The process or sequence of operations carried out to program a target device
Assembly language
Compiler
Design flow
Bus contention
35. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
Dividend
Combinational logic
CMOS
BEDO DRAM
36. A unit of the cross - sectional area of a wire.
Control Bus
Norton's Theorem
Circular Mil (CM)
Address
37. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
CPLD
Decrement
Boolean addition
Capacity
38. A type of counter in which each stage is clocked from the output of the preceding stage.
Aliasing
Branch
Asynchronous counter
Demultiplexer
39. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Band- stop filter
Cache memory
Capacitor
Commutative Law
40. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Bias
Branch Current
Byte
Distributive Law
41. Data Terminal equipment
DTE
Kirchoff's Current Law(KCL)
Address Bus
Circuit
42. The smallest particle of an element possessing the unique characteristics of that element.
Demultiplexer
Clear
Atom
Norton's Theorem
43. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.
Battery
Cascade
Bistable
Average value
44. Having two directions. the stored data can be shifted right or left
Circular Mil (CM)
Diode
Ampere- hour(Ah) rating
Bidirectional shift Register
45. The ratio of pulse width to period expressed as a percentage
Addend
Circuit
Duty cycle
Don't Care...
46. Altera HDL; a nonstandard HDL
Average value
AHDL
AND array
Central processing unit
47. Describes a number system with a base of ten
Address
Decimal
Debug
Decade
48. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Data Selector
Central processing unit
Assembler
Average value
49. The number of protons in a nucleus
Antifuse
Dividend
Atomic number
Control Bus
50. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Band- stop filter
ABEL(Advance Boolean Expression Language)
AHDL
Bidirectional shift Register