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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 set of conductive paths hat connects the CPU to other parts of the computer to coordinate its operations and to communicate with external devices
Bidirectional shift Register
Control Bus
Assembler
Address Bus
2. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
ASCII
Admittance
Baseline
BEDO DRAM
3. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Buffer
Bidirectional shift Register
Data bus
Bus contention
4. Having two stable states. Flip- flops and latches are bistable multivibrators.
Kirchoff's Voltage Law
Array
Dependency notation
Bistable
5. An electrical instrument used to measure current
Band- pass filter
Ammeter
Analog- to- digital (A/D) conversion
Adjacency
6. 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
Assembly language
AND array
Choke
7. 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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8. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Dual in - line package
Debug
Collector
Vx=(Vs * Rx) /RT
9. 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
Decrement
Analog- to- digital (A/D) conversion
Carry generation
10. The mathematics of logic circuits
Carry propagation
Boolean algebra
Circuit
Cross - assembler
11. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
BEDO DRAM
Carry generation
Capacitor
Band- pass filter
12. To decrease the binary state of a counter by one
Design flow
Decade
Data Selector
Decrement
13. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Baseline
Aliasing
Address
Assembly language
14. The unit of electrical current
Diode
Adjacency
Ampere
Dividend
15. A logic gate that produces a High output only when all of the inputs are HIGH
Carry generation
Buffer
AND gate
Choke
16. A class of integrated logic circuits that is implemented with a type of field effect transistor
Capacity
Delta Modulation
Collector
CMOS Complementary Metal Oxide Semiconductor
17. A set of interconnections that interface one or more devices based on a standardized specification
Bus
Bode Plot
Boolean algebra
Complement
18. The maximum value of a voltage or current
Kirchoff's Voltage Law
Amplitude
Boolean multiplication
Dividend
19. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Byte
Concurrency
Bipolar
Duty cycle
20. A circuit with a complete current path
Component
Data bus
Closed circuit
Band- pass filter
21. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Boolean multiplication
Cache memory
Closed circuit
Bus
22. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Baseline
Controller
Bode Plot
Analog
23. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Bit
Acceptor
Angular Velocity
Bus arbitration
24. A type of magnetic tape format
Design flow
Controller
Decode
Digital linear tape
25. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Byte
TTL
Charge
Kirchoff's Current Law(KCL)
26. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
ALU
DCE
CPLD
Decade
27. A program that converts English- like mnemonics into machine code
Capacitance Reactance
Admittance
Assembler
Atom
28. Digital audio tape; a type of magnetic tape format
DAT
Vx=(Vs * Rx) /RT
Balanced Load
Data Sheet
29. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
DAT
Address Bus
Atom
Vx=(Vs * Rx) /RT
30. Having two directions. the stored data can be shifted right or left
Dependency notation
Decode
Bidirectional shift Register
BIOS
31. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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32. The process or sequence of operations carried out to program a target device
Design flow
Choke
Decode
Bode Plot
33. A type of IC package whose leads must pass through holes to the other side of a PC board
Decrement
Bias
Dual in - line package
Baseline
34. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
D Flip-Flop
Data Selector
Battery
Diode
35. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Battery
Debug
bed- of- nails
Demultiplexer
36. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Counter
Bit
Antifuse
D Flip-Flop
37. Dual in - line memory module
Acceptor
DTE
DIMM
Data bus
38. One current path in a parallel circuit; a current path that connects two nodes
Analog- to- digital (A/D) conversion
Branch
Architecture
Decrement
39. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Astable
Bidirectional shift Register
Binary
Attenuation
40. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
Base
Bandwidth
BIOS
Adder
41. A method of analog- to- digital conversion using a 1- bit quantization process
Data bus
Commutative Law
Delta Modulation
Comparator
42. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Capacitance Reactance
Bias
Delta Modulation
Ampere- hour(Ah) rating
43. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Branch Current
Augend
Data Sheet
Array
44. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Circuit
Associative law
Baseline
Dividend
45. Digital Signal Processor; a special type of microprocessor that processes data in real time
Cache memory
Analog- to- digital converter(ADC)
DSP
BIOS
46. One of the three regions in a bipolar junction transistor
DMA
Combinational logic
Base
Clock
47. American National Standards Institute
ANSI
Amplitude
Don't Care...
Augend
48. 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.
Circuit
Design flow
Component
Decoder
49. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
Data
AND
Don't Care...
BJT
50. The VHDL unit that describes the internal operation of a logic function; the internal functional arrangement of the elements that give a device its particular operating characteristics.
Architecture
Control Bus
Commutative Law
ASCII