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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 circuit that prevents loading of an input or output
Bus
Control Unit
Buffer
Autotransformer
2. A unit of the cross - sectional area of a wire.
CMOS Complementary Metal Oxide Semiconductor
Circular Mil (CM)
Complement
BEDO DRAM
3. The maximum value of a voltage or current
Bipolar
Augend
Amplitude
Assembly language
4. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Admittance
ABEL(Advance Boolean Expression Language)
Charge
Circuit
5. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
Baseline
Counter
Charge
Architecture
6. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Dual in - line package
AND array
Combinational logic
Branch
7. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Comparator
CMOS Complementary Metal Oxide Semiconductor
Decade Counter
Binary coded decimal
8. American Standard Code for Information Interchange; the most widely used alphanumeric code.
ASCII
Bit
BEDO DRAM
Bias
9. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Amplitude
Bit time
Boundary scan
Charge- coupled device
10. The application of a dc voltage to an electronic device to produce a desired mode of operation
Assembler
Bias
CPLD
Vx=(Vs * Rx) /RT
11. A receiving device on a bus
Boolean addition
Data Selector
Capacitor
Acceptor
12. A set of conductive paths hat connects the CPU to other parts of the computer to coordinate its operations and to communicate with external devices
Choke
Control Bus
Clear
Closed circuit
13. 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.
Choke
Bit time
AND array
Controller
14. An array of AND gates consisting of a matrix of programmable interconnection
AND array
Atom
Digital linear tape
Bus contention
15. A program that converts English- like mnemonics into machine code
DRAM
Norton's Theorem
Assembler
Control Bus
16. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Dividend
ABEL(Advance Boolean Expression Language)
Apparent power
Carry propagation
17. The time from the application of a valid memory address to the appearance of valid output data
Kirchoff's Current Law(KCL)
CPLD
Access time
Carry propagation
18. 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
Bit
Analog- to- digital (A/D) conversion
Ampere- hour(Ah) rating
Dynamic Memory
19. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Boundary scan
Amplitude
Cascade
Decrement
20. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
Current sinking
Architecture
ABEL(Advance Boolean Expression Language)
CMOS
21. A binary digit - which can be either 1 or 0
Bit
Asynchronous counter
Capacitor
Debug
22. In addition - the number to which the addend is added
Thevenin Equivalent Circuit
Boolean multiplication
Circuit
Augend
23. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Antifuse
Bias
Data Sheet
Central processing unit
24. A logic circuit used to add two binary numbers
Atom
Bidirectional shift Register
Branch
Adder
25. Consisting of numerals - letters - and other characters
Don't Care...
Ampere
Closed circuit
Alphanumeric
26. The portion within the microprocessor that provides the timing and control signals for getting data into and out of the microprocessor and for synchronizing the execution of instructions.
Control Unit
TTL
Analog- to- digital converter(ADC)
Adder
27. A condition where all the load currents are equal and the neutral current is zero
Bit
Compiler
Balanced Load
Amplitude
28. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Astable
Balanced Load
Demultiplexer
Cache memory
29. 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
Admittance
Apparent power
Dependency notation
30. 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
Bipolar
Bus interface unit
bed- of- nails
Associative law
31. Data Communications equipment
Collector
Compiler
Bandwidth
DCE
32. Having two directions. the stored data can be shifted right or left
Binary
Capacitance Reactance
Bidirectional shift Register
Data bus
33. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Norton's Theorem
Attenuation
Astable
Carry propagation
34. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
CLB (Configurable Logic Block)
Carry
Dynamic Memory
DMA
35. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Circuit
Analog- to- digital (A/D) conversion
Apparent power
Central processing unit
36. A theorem that states that any amount of voltage sources and current sources can be combined into a single current source with a parallel resistor.
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183
37. Characteristic of cells in a Karnaugh map in which there is a single- variable change from one cell to another cell next to it on any of its four sides
Boolean addition
Acceptor
Adjacency
Circuit
38. Digital Signal Processor; a special type of microprocessor that processes data in real time
Asynchronous counter
Capacitance Reactance
DSP
Baseline
39. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Bit
Component
Data Sheet
ABEL(Advance Boolean Expression Language)
40. Burst extended data output dynamic random- access memory
Code
BEDO DRAM
Battery
Atom
41. Having two opposites charge carriers within the transistor structure
Circuit
DSP
Bipolar
Binary
42. A programming language that uses English like words and has a one- to- one correspondence to machine language
Assembly language
D Flip-Flop
Current sinking
AWG
43. To connect 'end- to- end' as when several counters are connected from the terminal count output of one counter to the enable input of the next counter
Distributive Law
CPLD
Cascade
Bias
44. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
BIOS
Capacitor
Augend
Base
45. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Bit time
Center Tap
Address
Diode
46. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Analog
Bidirectional shift Register
Bode Plot
Capacitance Reactance
47. 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
Bit time
Boolean algebra
Digital linear tape
48. In addition - the number that is added to another number called the augend
Addend
Circuit
Acceptor
Array
49. Data Terminal equipment
Commutative Law
DTE
Band- pass filter
Baseline
50. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
BIOS
Bias
Circular Mil (CM)
Band- stop filter