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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. The actual current in a branch
Branch Current
Closed circuit
Bode Plot
Base address
2. The process or sequence of operations carried out to program a target device
Acceptor
Design flow
Kirchoff's Voltage Law
CMOS
3. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
Buffer
Binary coded decimal
Average value
Bit
4. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Demultiplexer
Boundary scan
Bus contention
Analog
5. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Debug
Bleeder Current
Ampere- hour(Ah) rating
Combinational logic
6. 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
Norton's Theorem
Cascade
Clear
Boolean multiplication
7. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
Bipolar
Decoder
Bit time
AND
8. 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
Ammeter
Decode
Atomic number
9. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Apparent power
DCE
Amplitude
AND
10. The digit generated when the sum of two binary digits exceeds 1
CPLD
Concurrency
Diode
Carry
11. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
AND
Decade
Component
Capacitance Reactance
12. A semiconductor device that conducts current in only one direction
Bode Plot
Thevenin Equivalent Circuit
Diode
Alphanumeric
13. American National Standards Institute
ANSI
Decade Counter
AHDL
Cross - assembler
14. 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
Control Bus
Delta Modulation
Kirchoff's Voltage Law
Data Selector
15. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
Data
Circuit Breaker
DRAM
Kirchoff's Voltage Law
16. Having two directions. the stored data can be shifted right or left
Demultiplexer
Attenuation
Bidirectional shift Register
ABEL(Advance Boolean Expression Language)
17. 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
Combinational logic
Cascade
Analog- to- digital (A/D) conversion
Compiler
18. A circuit that prevents loading of an input or output
Capacity
Center Tap
Buffer
Carry propagation
19. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Decode
Cache memory
Dividend
Assembler
20. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Associative law
CLB (Configurable Logic Block)
Array
Charge- coupled device
21. 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
Capacity
Branch Current
Decimal
22. Information in numeric - alphabetic - or other form.
Current sinking
Alphanumeric
Decoder
Data
23. In addition - the number that is added to another number called the augend
Decade Counter
Addend
Apparent power
Binary coded decimal
24. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
DMA
Kirchoff's Current Law(KCL)
Architecture
Carry
25. The maximum value of a voltage or current
Boolean algebra
CMOS
Amplitude
Base
26. 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.
Delta Modulation
Antifuse
Bandwidth
Compiler
27. One current path in a parallel circuit; a current path that connects two nodes
TTL
Branch
Base address
Bit
28. A group of eight bits
Bipolar
Assembly language
Data
Byte
29. The time from the application of a valid memory address to the appearance of valid output data
Access time
Atomic number
DTE
Address
30. In addition - the number to which the addend is added
Combinational logic
Ampere- hour(Ah) rating
Thevenin Equivalent Circuit
Augend
31. An expression of variables and operators used to express the operation of a logic circuit
Debug
Digital linear tape
Bleeder Current
Boolean expression
32. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Band- pass filter
Band- stop filter
Dynamic Memory
Admittance
33. 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
CPLD
Data bus
Control Unit
D Flip-Flop
34. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
Bit time
Controller
Baseline
Bus contention
35. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Amplitude
Circuit
Diode
Cross - assembler
36. A type of magnetic tape format
Carry propagation
Addend
DIMM
Digital linear tape
37. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Cross - assembler
Array
Dividend
TTL
38. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Distributive Law
Astable
Control Bus
AND array
39. The process that prevents two sources from using a bus at the same time
Bus arbitration
Collector
Carry generation
Bus
40. Dual in - line memory module
Carry propagation
Bit
DIMM
Astable
41. The number of protons in a nucleus
Diode
Complement
ANSI
Atomic number
42. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Band- stop filter
Boundary scan
Kirchoff's Voltage Law
Central processing unit
43. 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
Bode Plot
Bleeder Current
Data bus
Cascade
44. A unit of the cross - sectional area of a wire.
Data Selector
Circular Mil (CM)
Cache memory
Cross - assembler
45. Having two stable states. Flip- flops and latches are bistable multivibrators.
Decade Counter
Bistable
Controller
ABEL(Advance Boolean Expression Language)
46. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Access time
Associative law
AHDL
Bit time
47. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Comparator
Debug
Battery
Cross - assembler
48. An electrical instrument used to measure current
Control Bus
Comparator
Circuit Breaker
Ammeter
49. Consisting of numerals - letters - and other characters
AND
Alphanumeric
Bit time
Dependency notation
50. A program that converts English- like mnemonics into machine code
Circuit Breaker
DCE
Address Bus
Assembler