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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. Sum of all the voltage drops in series equals to the source voltage
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2. A connection at the midpoint of a winding in a transformer
Bode Plot
Center Tap
Charge- coupled device
Bus
3. A bidirectional set of conductive paths on which data or instruction codes are transferred into a microprocessor or on which the result of an operation is sent out from the microprocessor
Data bus
Carry generation
Decade
Bitstream
4. A type of magnetic tape format
Analog- to- digital (A/D) conversion
CMOS Complementary Metal Oxide Semiconductor
Digital linear tape
Decimal
5. One current path in a parallel circuit; a current path that connects two nodes
Branch
Design flow
Compiler
Decode
6. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Bode Plot
Angular Velocity
Adjacency
ABEL(Advance Boolean Expression Language)
7. A binary digit - which can be either 1 or 0
Bit
Design flow
Bit time
Amplitude
8. In a PLD - a matrix formed by rows of product- term lines columns of input lines with a programmable cell at each junctions. In VHDL - an array is an ordered set of individual items called elements with a single identifier name.
Array
Bidirectional shift Register
Adjacency
Apparent power
9. Digital Signal Processor; a special type of microprocessor that processes data in real time
DSP
Capacitance
Atom
Don't Care...
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
DRAM
Complement
Amplitude
Apparent power
11. To decrease the binary state of a counter by one
Decrement
ANSI
DCE
Don't Care...
12. 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
Bode Plot
Balanced Load
BJT
Concurrency
13. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Bit time
Antifuse
DSP
AND array
14. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Analog
Boolean expression
Bit time
Access time
15. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Collector
Center Tap
DTE
Circuit
16. The beginning address of a segment of memory
Battery
Address
Base address
Balanced Bridge
17. The process that prevents two sources from using a bus at the same time
Attenuation
AND gate
Bus arbitration
Component
18. A unit of the cross - sectional area of a wire.
Code
Data bus
Circular Mil (CM)
AWG
19. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Address Bus
Average value
Bit time
Acceptor
20. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
AND
Carry propagation
BJT
Bistable
21. A resettable protective device used for interrupting execessive current in an electric circuit
TTL
Circuit Breaker
Analog
Concurrency
22. A type of inductor used to block or choke off high frequencies
Choke
Analog
Complement
Bit time
23. A circuit with a complete current path
Closed circuit
Dependency notation
Concurrency
Central processing unit
24. The process of producing an output carry in full- adder when both input bits are 1s.
BJT
Carry generation
Bipolar
Admittance
25. Altera HDL; a nonstandard HDL
AHDL
Baseline
Array
Center Tap
26. A series of bits describing a final design that is sent to the target device during programming
AND array
Bitstream
CLB (Configurable Logic Block)
Digital linear tape
27. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Bus arbitration
Thevenin Equivalent Circuit
Apparent power
Capacitor
28. A digital circuit device that converts coded information into another (familiar) or noncoded form
Complement
Decoder
Ampere
Cache memory
29. The process of converting an analog signal to digital form
Counter
Analog- to- digital (A/D) conversion
DRAM
Bandwidth
30. The maximum value of a voltage or current
Amplitude
Autotransformer
Cascade
Base
31. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Architecture
Combinational logic
Component
Decode
32. Having two opposites charge carriers within the transistor structure
Battery
Bus contention
Bipolar
Norton's Theorem
33. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
ALU
DAT
Augend
Amplitude
34. Data Communications equipment
Baseline
Design flow
DCE
Clock
35. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Antifuse
Access time
Bit
Concurrency
36. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Control Unit
Bandwidth
Demultiplexer
ASCII
37. One of the three regions in a bipolar junction transistor
Debug
Atomic number
Base
Battery
38. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
BIOS
Decoder
Bipolar
Counter
39. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Circuit
Branch Current
Alphanumeric
Control Unit
40. 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
Compiler
Charge
Boolean multiplication
Analog
41. An electrical instrument used to measure current
Bitstream
Buffer
Ammeter
Circuit
42. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Thevenin Equivalent Circuit
AWG
Decode
Boolean multiplication
43. The action of a circuit in which it accepts current into its output from a load
Circuit
Bistable
Diode
Current sinking
44. 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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45. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Decoder
Design flow
Circuit
Data Sheet
46. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Aliasing
Debug
ANSI
Central processing unit
47. Having two stable states. Flip- flops and latches are bistable multivibrators.
Decode
Base address
Adder
Bistable
48. A semiconductor device that conducts current in only one direction
CMOS
Design flow
Diode
Dividend
49. A program that converts English- like mnemonics into machine code
Demultiplexer
Bipolar
Collector
Assembler
50. Dual in - line memory module
Base
Dividend
DIMM
Array