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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. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Array
DIMM
Astable
Analog
2. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Comparator
Battery
Concurrency
Base address
3. 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.
Bistable
Apparent power
Bandwidth
Assembler
4. The process or sequence of operations carried out to program a target device
Balanced Bridge
Boundary scan
Carry generation
Design flow
5. 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
CLB (Configurable Logic Block)
Augend
Asynchronous counter
6. The process of producing an output carry in full- adder when both input bits are 1s.
Charge
Choke
Carry generation
Analog- to- digital (A/D) conversion
7. 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
Kirchoff's Voltage Law
Don't Care...
bed- of- nails
Buffer
8. The number of protons in a nucleus
Atomic number
Circular Mil (CM)
Debug
DCE
9. Describes a number system with a base of ten
Data
Boolean multiplication
Adder
Decimal
10. A transformer in which the primary and secondary are in a single winding
Branch Current
Combinational logic
Control Bus
Autotransformer
11. A type of counter in which each stage is clocked from the output of the preceding stage.
Asynchronous counter
Base address
Kirchoff's Voltage Law
Band- pass filter
12. 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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13. 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
Kirchoff's Voltage Law
Decode
DSP
14. Consisting of numerals - letters - and other characters
Alphanumeric
Thevenin Equivalent Circuit
Decimal
Circuit Breaker
15. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Comparator
AND
Band- stop filter
Buffer
16. A digital circuit device that converts coded information into another (familiar) or noncoded form
Decoder
Decrement
Base address
DCE
17. Altera HDL; a nonstandard HDL
DRAM
Adder
Closed circuit
AHDL
18. A connection at the midpoint of a winding in a transformer
Byte
Admittance
Center Tap
ANSI
19. 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
Digital linear tape
Diode
Bode Plot
Capacitance
20. In addition - the number that is added to another number called the augend
Circuit Breaker
Center Tap
Addend
Decode
21. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
DIMM
Closed circuit
Baseline
Admittance
22. An application program in development software packages that controls the design flow process and translates source code into object code in a format that can be logically tested or downloaded to a target device
Binary
Data Sheet
ABEL(Advance Boolean Expression Language)
Compiler
23. Data Communications equipment
Counter
Capacity
DCE
Circuit Breaker
24. A method of analog- to- digital conversion using a 1- bit quantization process
Component
Carry
Delta Modulation
CMOS Complementary Metal Oxide Semiconductor
25. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Assembly language
Cascade
Concurrency
Analog
26. 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
DAT
Carry propagation
Analog- to- digital converter(ADC)
Ampere- hour(Ah) rating
27. A group of eight bits
Byte
DRAM
Data Selector
Binary coded decimal
28. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Boolean expression
Address
Ampere
Capacitance
29. A type of inductor used to block or choke off high frequencies
AND gate
Concurrency
Component
Choke
30. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
Charge- coupled device
ALU
bed- of- nails
Bit time
31. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
CPLD
Amplitude
Counter
Bit time
32. A programming language that uses English like words and has a one- to- one correspondence to machine language
Assembly language
DRAM
Collector
CLB (Configurable Logic Block)
33. 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
Data
Cascade
DTE
D Flip-Flop
34. Digital Signal Processor; a special type of microprocessor that processes data in real time
Dual in - line package
Cache memory
DSP
Bistable
35. A combined coder and decoder
Access time
Bode Plot
Angular Velocity
Code
36. The mathematics of logic circuits
Bleeder Current
Code
Boolean algebra
Augend
37. Burst extended data output dynamic random- access memory
Addend
BEDO DRAM
Current sinking
Amplitude
38. 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
Antifuse
DAT
Norton's Theorem
Control Bus
39. One of the three regions in a bipolar junction transistor
Base
ALU
Base address
Bandwidth
40. In addition - the number to which the addend is added
AWG
Capacitor
Decimal
Augend
41. A condition where all the load currents are equal and the neutral current is zero
Bus
Circuit Breaker
Balanced Load
Closed circuit
42. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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43. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Assembly language
Bus interface unit
ABEL(Advance Boolean Expression Language)
Autotransformer
44. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Associative law
Bandwidth
Decade Counter
Attenuation
45. A type of IC package whose leads must pass through holes to the other side of a PC board
Dual in - line package
Assembly language
Controller
DIMM
46. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.
Average value
bed- of- nails
Adjacency
Ammeter
47. The time from the application of a valid memory address to the appearance of valid output data
Bitstream
Bandwidth
Angular Velocity
Access time
48. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Cross - assembler
BJT
Circuit Breaker
Bitstream
49. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Demultiplexer
Concurrency
Decimal
Adjacency
50. The unit of electrical current
Charge
BJT
Data Sheet
Ampere
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