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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. Digital Signal Processor; a special type of microprocessor that processes data in real time
Dynamic Memory
Thevenin Equivalent Circuit
Boundary scan
DSP
2. The process that prevents two sources from using a bus at the same time
Counter
Bus arbitration
Kirchoff's Current Law(KCL)
Amplitude
3. A semiconductor device that conducts current in only one direction
Boolean algebra
Concurrency
Capacitance Reactance
Diode
4. A circuit with a complete current path
Closed circuit
Boolean algebra
Bias
Circuit
5. The process or sequence of operations carried out to program a target device
Design flow
bed- of- nails
Duty cycle
Base address
6. The process of converting an analog signal to digital form
Cache memory
Analog- to- digital (A/D) conversion
Choke
Bus contention
7. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Band- pass filter
Aliasing
Adjacency
ALU
8. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Dividend
Band- stop filter
Controller
Cross - assembler
9. The current left after the total load current is subtracted from the total current into the circuit
Bleeder Current
Clear
Design flow
Circuit Breaker
10. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Code
BEDO DRAM
Cross - assembler
Bit time
11. Transistor-Transistor Logic and is implemented with bipolar junction transistors
TTL
Bus
Data Sheet
Concurrency
12. Having two opposites charge carriers within the transistor structure
Don't Care...
Bipolar
Control Bus
Bitstream
13. 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
ABEL(Advance Boolean Expression Language)
AND array
Capacity
14. A type of IC package whose leads must pass through holes to the other side of a PC board
D Flip-Flop
ALU
Byte
Dual in - line package
15. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Charge- coupled device
BEDO DRAM
Analog- to- digital converter(ADC)
ASCII
16. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Data Sheet
Boundary scan
Binary coded decimal
Decode
17. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Angular Velocity
Decoder
Boolean expression
Architecture
18. A logic circuit used to add two binary numbers
Array
Analog- to- digital (A/D) conversion
AND
Adder
19. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Capacity
Thevenin Equivalent Circuit
Baseline
Amplitude
20. A type of counter in which each stage is clocked from the output of the preceding stage.
Asynchronous counter
Bias
Branch Current
Demultiplexer
21. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Associative law
Byte
Dual in - line package
Binary
22. A programming language that uses English like words and has a one- to- one correspondence to machine language
Collector
Compiler
Assembly language
Addend
23. The unit of electrical current
Battery
Ampere
Decoder
Address
24. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Associative law
CLB (Configurable Logic Block)
Dependency notation
Capacitor
25. The application of a dc voltage to an electronic device to produce a desired mode of operation
Bias
Adjacency
Concurrency
DMA
26. An electrical instrument used to measure current
Cross - assembler
Ammeter
Charge
Branch
27. 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
Analog
CLB (Configurable Logic Block)
Acceptor
Decade Counter
28. 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
Bus contention
Autotransformer
bed- of- nails
ALU
29. A method of analog- to- digital conversion using a 1- bit quantization process
Delta Modulation
Choke
Bistable
Address
30. A connection at the midpoint of a winding in a transformer
Bias
Center Tap
Carry propagation
Debug
31. A circuit that prevents loading of an input or output
Buffer
Binary
Cascade
Collector
32. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Apparent power
Controller
Cascade
Capacitance Reactance
33. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Admittance
Decode
Amplitude
Baseline
34. A interconnection of electrical components designed to produce a desired result. A basic circuits consists of a source - a load and an interconnecting current path.
BEDO DRAM
ABEL(Advance Boolean Expression Language)
Don't Care...
Circuit
35. A combined coder and decoder
Control Bus
Code
Complement
AHDL
36. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Charge- coupled device
Debug
Admittance
Adjacency
37. Characterized by ten states or values
Decade
Binary coded decimal
Band- stop filter
ALU
38. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Collector
Charge- coupled device
DIMM
Bipolar
39. 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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40. The action of a circuit in which it accepts current into its output from a load
Decade Counter
Baseline
Current sinking
Vx=(Vs * Rx) /RT
41. Information in numeric - alphabetic - or other form.
Data
Controller
Baseline
Norton's Theorem
42. A resettable protective device used for interrupting execessive current in an electric circuit
Baseline
AND gate
Choke
Circuit Breaker
43. 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
Circuit
Distributive Law
Comparator
44. The digit generated when the sum of two binary digits exceeds 1
Duty cycle
Boolean algebra
Carry
Analog- to- digital converter(ADC)
45. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Acceptor
Vx=(Vs * Rx) /RT
Address
ALU
46. To decrease the binary state of a counter by one
Boolean expression
Decrement
Don't Care...
Current sinking
47. A two terminal circuit containing voltage sources - current sources - and resistors can be modeled as a voltage source in series with a resistor
Thevenin Equivalent Circuit
Address Bus
Carry generation
Adder
48. One current path in a parallel circuit; a current path that connects two nodes
Cache memory
Branch
Assembler
Delta Modulation
49. A group of eight bits
Byte
Bus interface unit
Addend
Complement
50. 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.
Aliasing
ANSI
Atomic number
AND gate