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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. In a division operation the quantity that is being divided
Choke
Current sinking
DSP
Dividend
2. Data Terminal equipment
Binary
Analog- to- digital (A/D) conversion
Dependency notation
DTE
3. Digital audio tape; a type of magnetic tape format
DAT
Binary coded decimal
Duty cycle
Boolean algebra
4. American wire gauge; a standardization based on wire diameter
AWG
Branch
Bistable
Capacity
5. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit
Data Selector
Vx=(Vs * Rx) /RT
Dividend
Angular Velocity
6. 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
Boundary scan
Controller
Collector
Data bus
7. 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
Augend
BEDO DRAM
BJT
Bitstream
8. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Circuit
Charge
Bitstream
Boolean algebra
9. A semiconductor device that conducts current in only one direction
Branch Current
Diode
Dynamic Memory
Autotransformer
10. The ability of a capacitor to store electrical charge.
Capacitance
Branch
Bus
Component
11. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Branch
Boundary scan
Bipolar
Binary
12. A group of eight bits
CMOS
Byte
Decrement
Boolean algebra
13. American Standard Code for Information Interchange; the most widely used alphanumeric code.
ASCII
AND array
Closed circuit
DTE
14. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Atom
Carry generation
Decode
Dynamic Memory
15. A type of magnetic tape format
Digital linear tape
Delta Modulation
Decrement
Analog
16. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
Antifuse
AND
Capacity
Autotransformer
17. A circuit that prevents loading of an input or output
DIMM
Vx=(Vs * Rx) /RT
Buffer
Boundary scan
18. Sum of all the voltage drops in series equals to the source voltage
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183
19. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Bit time
Band- pass filter
Attenuation
Battery
20. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
Kirchoff's Current Law(KCL)
Boundary scan
CMOS
Assembly language
21. 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
Data Sheet
Data
Analog- to- digital converter(ADC)
22. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Dual in - line package
Autotransformer
ABEL(Advance Boolean Expression Language)
ASCII
23. An instrument that can specify each of the other instruments on the bus as either a talker or a listener for the purpose of data transfer.
Circuit
DTE
Component
Controller
24. The unit of electrical current
Bode Plot
Ampere
Decade
Apparent power
25. Consisting of numerals - letters - and other characters
BEDO DRAM
Carry propagation
Alphanumeric
DIMM
26. A device used to convert an analog signal to a sequence of digital codes
Assembly language
Associative law
Digital linear tape
Analog- to- digital converter(ADC)
27. 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
Kirchoff's Voltage Law
Ampere- hour(Ah) rating
Assembly language
Address Bus
28. The time from the application of a valid memory address to the appearance of valid output data
Analog- to- digital (A/D) conversion
AWG
Access time
Amplitude
29. Dual in - line memory module
DIMM
Data
Decade Counter
AND gate
30. American National Standards Institute
Controller
Address Bus
Decrement
ANSI
31. The process of producing an output carry in full- adder when both input bits are 1s.
DCE
Ampere
Carry generation
Digital linear tape
32. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Bleeder Current
BIOS
Concurrency
Thevenin Equivalent Circuit
33. In Boolean algebra - the OR operation
Balanced Bridge
Boolean addition
Debug
Augend
34. One of the three regions in a bipolar junction transistor
Base
Carry propagation
Controller
Bus interface unit
35. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Dual in - line package
Capacity
Binary
Debug
36. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
Alphanumeric
Bias
Adder
ALU
37. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Charge
Distributive Law
Balanced Bridge
Combinational logic
38. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Control Unit
Band- pass filter
Battery
bed- of- nails
39. The mathematics of logic circuits
Current sinking
Component
Boolean algebra
Bus contention
40. To decrease the binary state of a counter by one
Decrement
Decode
Analog
Compiler
41. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
DAT
Bus interface unit
bed- of- nails
Assembler
42. The ratio of pulse width to period expressed as a percentage
Data Selector
Bus interface unit
Decimal
Duty cycle
43. The application of a dc voltage to an electronic device to produce a desired mode of operation
Bias
Acceptor
Balanced Load
CPLD
44. 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
DMA
CLB (Configurable Logic Block)
DCE
Acceptor
45. 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.
Combinational logic
Demultiplexer
Admittance
Aliasing
46. 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
ALU
Asynchronous counter
Array
Bode Plot
47. 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
Addend
Carry propagation
Branch Current
CMOS
48. 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
Branch Current
DIMM
Autotransformer
Complement
49. A binary digit - which can be either 1 or 0
ANSI
Alphanumeric
Bit
Addend
50. Describes a number system with a base of ten
Commutative Law
Decimal
Data Sheet
Ampere