SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 action of a circuit in which it accepts current into its output from a load
Asynchronous counter
Current sinking
Analog- to- digital converter(ADC)
Boolean addition
2. A transformer in which the primary and secondary are in a single winding
Digital linear tape
Decoder
ABEL(Advance Boolean Expression Language)
Autotransformer
3. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Bidirectional shift Register
BIOS
Distributive Law
Branch Current
4. Having two opposites charge carriers within the transistor structure
Design flow
Boundary scan
Bipolar
Bistable
5. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Concurrency
Data Sheet
CPLD
Decade
6. The application of a dc voltage to an electronic device to produce a desired mode of operation
Balanced Bridge
Capacity
Bias
Battery
7. 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
Capacitor
Clock
Diode
Asynchronous counter
8. 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
Current sinking
bed- of- nails
Byte
CMOS Complementary Metal Oxide Semiconductor
9. The process or sequence of operations carried out to program a target device
Don't Care...
Address
Code
Design flow
10. Data Terminal equipment
Kirchoff's Current Law(KCL)
DTE
Cascade
Circuit
11. A logic circuit used to add two binary numbers
Complement
Adder
Central processing unit
Circuit
12. 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
Autotransformer
Bus arbitration
CLB (Configurable Logic Block)
Capacity
13. An expression of variables and operators used to express the operation of a logic circuit
Cache memory
Byte
Boolean expression
Bus contention
14. 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
D Flip-Flop
Alphanumeric
Data bus
15. The number of protons in a nucleus
Charge
Decoder
Atomic number
TTL
16. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
AND gate
Kirchoff's Current Law(KCL)
Comparator
Commutative Law
17. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Boolean addition
Thevenin Equivalent Circuit
Associative law
Addend
18. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Cross - assembler
Commutative Law
Cache memory
Bus contention
19. A programming language that uses English like words and has a one- to- one correspondence to machine language
Capacitance Reactance
Analog- to- digital (A/D) conversion
Assembly language
Bipolar
20. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Cross - assembler
AND gate
Boundary scan
Delta Modulation
21. Digital Signal Processor; a special type of microprocessor that processes data in real time
Counter
DSP
DRAM
Diode
22. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Astable
Antifuse
Data
Clear
23. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Address
Dynamic Memory
Capacitance
AND array
24. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Capacity
DMA
ANSI
AHDL
25. Consisting of numerals - letters - and other characters
Alphanumeric
Band- stop filter
Closed circuit
CMOS Complementary Metal Oxide Semiconductor
26. A receiving device on a bus
Branch
Dividend
Analog- to- digital converter(ADC)
Acceptor
27. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Bitstream
AWG
Center Tap
Data Sheet
28. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Diode
Decoder
Boundary scan
Ammeter
29. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
AWG
Alphanumeric
Component
Associative law
30. American Standard Code for Information Interchange; the most widely used alphanumeric code.
Code
Current sinking
ASCII
Don't Care...
31. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Bitstream
Byte
Average value
Admittance
32. 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
Carry propagation
Don't Care...
Collector
Cache memory
33. Burst extended data output dynamic random- access memory
BEDO DRAM
Average value
Diode
Alphanumeric
34. A combined coder and decoder
Circular Mil (CM)
Cascade
AHDL
Code
35. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Battery
Band- pass filter
Associative law
Center Tap
36. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Apparent power
Bidirectional shift Register
Bit
Charge
37. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Charge- coupled device
Vx=(Vs * Rx) /RT
Ammeter
Data Sheet
38. An asynchronous input used to reset a flip- flop (make the Q output 0); to place a register or counter in the state in which it contains all 0's
Clear
Carry propagation
Base
Analog
39. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
BIOS
Demultiplexer
Alphanumeric
Analog- to- digital (A/D) conversion
40. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Amplitude
Battery
Average value
Kirchoff's Current Law(KCL)
41. 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
Bleeder Current
DSP
Commutative Law
Complement
42. A reduction of the output signal compared to the input signal - resulting in a ratio with a value of less than 1 for the output voltage to the input voltage of a circuit.
Attenuation
ANSI
Boolean algebra
Analog
43. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Norton's Theorem
Average value
Astable
Commutative Law
44. In Boolean algebra - the AND operation
BJT
Boolean multiplication
Architecture
Circuit Breaker
45. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
Binary coded decimal
Clock
Amplitude
Address Bus
46. An array of AND gates consisting of a matrix of programmable interconnection
AND array
Commutative Law
Alphanumeric
AWG
47. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Atom
Band- stop filter
Combinational logic
ALU
48. To decrease the binary state of a counter by one
Average value
Charge- coupled device
Address
Decrement
49. Altera HDL; a nonstandard HDL
Duty cycle
AHDL
Cascade
ALU
50. A two terminal circuit containing voltage sources - current sources - and resistors can be modeled as a voltage source in series with a resistor
Bode Plot
Thevenin Equivalent Circuit
Current sinking
AND array