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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. Information in numeric - alphabetic - or other form.
Delta Modulation
Digital linear tape
Data
Addend
2. 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
Amplitude
Carry propagation
Augend
Center Tap
3. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Balanced Bridge
Choke
Component
Apparent power
4. A type of counter in which each stage is clocked from the output of the preceding stage.
Commutative Law
Base
Binary
Asynchronous counter
5. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
Concurrency
Address Bus
BIOS
Choke
6. In addition - the number to which the addend is added
Carry generation
Capacity
Augend
ANSI
7. A digital counter having ten states
Bitstream
Byte
Decade Counter
Boolean algebra
8. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
Decade
ALU
Counter
Ampere- hour(Ah) rating
9. Digital audio tape; a type of magnetic tape format
Boolean addition
DAT
Comparator
Control Unit
10. Altera HDL; a nonstandard HDL
AND
Alphanumeric
AHDL
Analog- to- digital (A/D) conversion
11. The actual current in a branch
Concurrency
Branch Current
Central processing unit
Boundary scan
12. The VHDL unit that describes the internal operation of a logic function; the internal functional arrangement of the elements that give a device its particular operating characteristics.
DRAM
DMA
Band- stop filter
Architecture
13. Data Communications equipment
bed- of- nails
BEDO DRAM
DCE
Concurrency
14. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Bus
DSP
Norton's Theorem
Demultiplexer
15. One of the three regions in a bipolar junction transistor
Address Bus
Data
Bidirectional shift Register
Base
16. To decrease the binary state of a counter by one
Decrement
Architecture
DCE
Bus interface unit
17. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Boolean algebra
Capacitance
Capacitor
Boolean multiplication
18. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Buffer
Norton's Theorem
Debug
Data Sheet
19. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
DRAM
Baseline
Autotransformer
Charge
20. A type of magnetic tape format
Boolean addition
Bandwidth
Ammeter
Digital linear tape
21. 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.
Bandwidth
Boolean expression
Cross - assembler
Associative law
22. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Controller
Charge
Carry propagation
Ampere
23. The process of producing an output carry in full- adder when both input bits are 1s.
Carry generation
Band- stop filter
Compiler
Demultiplexer
24. A logic circuit used to add two binary numbers
Data bus
Clock
Analog- to- digital converter(ADC)
Adder
25. A circuit with a complete current path
Circuit
Closed circuit
Charge- coupled device
Carry
26. Transistor-Transistor Logic and is implemented with bipolar junction transistors
ASCII
TTL
CMOS Complementary Metal Oxide Semiconductor
Kirchoff's Current Law(KCL)
27. The basic timing signal in a digital system; a periodic waveform in which the interval between pulses equals the time for one bit; the triggering input of a flip- flop
Clock
Ampere
AND
Bias
28. American Standard Code for Information Interchange; the most widely used alphanumeric code.
Bleeder Current
ASCII
Boolean multiplication
Binary
29. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Asynchronous counter
Acceptor
Commutative Law
Debug
30. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Decimal
Concurrency
Dividend
Component
31. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
Compiler
Carry propagation
Assembly language
AND
32. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Branch
bed- of- nails
Circuit
Ampere
33. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Admittance
BJT
DRAM
Address
34. The smallest particle of an element possessing the unique characteristics of that element.
Thevenin Equivalent Circuit
Don't Care...
Boolean algebra
Atom
35. 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
Circuit
Bode Plot
Ampere- hour(Ah) rating
Average value
36. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
Antifuse
CMOS
Controller
Circuit
37. 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.
Addend
BEDO DRAM
Aliasing
Carry propagation
38. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
D Flip-Flop
Data bus
Circuit Breaker
Boundary scan
39. Digital Signal Processor; a special type of microprocessor that processes data in real time
TTL
Admittance
Bus arbitration
DSP
40. 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
Demultiplexer
Complement
Bidirectional shift Register
Closed circuit
41. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
AWG
Binary
Charge- coupled device
Collector
42. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Don't Care...
Concurrency
Decade
AND gate
43. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
DMA
Control Bus
Cross - assembler
Dependency notation
44. A set of interconnections that interface one or more devices based on a standardized specification
Buffer
Closed circuit
Bus
Addend
45. 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
bed- of- nails
Vx=(Vs * Rx) /RT
Buffer
Debug
46. A circuit that selects data from several inputs one at a time in a sequence and places them on the output; also called a multiplexer.
Data Selector
Base address
Bandwidth
Combinational logic
47. Characterized by ten states or values
Decade
DRAM
Aliasing
Cascade
48. 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
CLB (Configurable Logic Block)
BIOS
Diode
Address Bus
49. A connection at the midpoint of a winding in a transformer
Byte
Center Tap
Bus
Acceptor
50. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Band- pass filter
Battery
Data
Aliasing