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Test your basic knowledge |
Digital Fundamentals
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Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
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.
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 inverse of opposite of a number - in Boolean algebra - the inverse function - expressed with a bar over the variable. The complement of a 1 is a 0 - and vice versa
Complement
Decrement
Base
Cross - assembler
2. In Boolean algebra - the AND operation
AND
DIMM
Charge- coupled device
Boolean multiplication
3. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
CLB (Configurable Logic Block)
Central processing unit
Delta Modulation
Admittance
4. The beginning address of a segment of memory
Address Bus
Array
Base address
CLB (Configurable Logic Block)
5. American National Standards Institute
ANSI
Array
Bleeder Current
Commutative Law
6. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Closed circuit
Combinational logic
Capacitance
DIMM
7. The number of protons in a nucleus
Atomic number
Bode Plot
Cache memory
DCE
8. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Capacitor
Admittance
Apparent power
Binary
9. Having two directions. the stored data can be shifted right or left
Bidirectional shift Register
Assembly language
Balanced Load
Clock
10. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Astable
Addend
Bistable
Component
11. 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
Data
Binary
bed- of- nails
Choke
12. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Digital linear tape
Angular Velocity
Binary
Associative law
13. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.
Amplitude
DAT
Average value
Atomic number
14. Burst extended data output dynamic random- access memory
BEDO DRAM
Data bus
Collector
Capacity
15. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Augend
Bitstream
Amplitude
Address Bus
16. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Balanced Bridge
DRAM
CPLD
Amplitude
17. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
TTL
Decode
Carry propagation
Circuit
18. A unit of the cross - sectional area of a wire.
Circular Mil (CM)
Delta Modulation
Carry generation
Access time
19. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Antifuse
Decade
Capacity
Decrement
20. The process of converting an analog signal to digital form
Cross - assembler
Bus contention
Analog- to- digital (A/D) conversion
Assembly language
21. In a division operation the quantity that is being divided
Analog- to- digital (A/D) conversion
Dividend
Boolean algebra
Bus interface unit
22. The smallest particle of an element possessing the unique characteristics of that element.
Data Selector
Byte
Atom
Band- stop filter
23. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Control Bus
Capacitance Reactance
Attenuation
Cascade
24. A set of interconnections that interface one or more devices based on a standardized specification
Branch
Bus
CMOS Complementary Metal Oxide Semiconductor
Vx=(Vs * Rx) /RT
25. A type of counter in which each stage is clocked from the output of the preceding stage.
Cascade
Clear
Asynchronous counter
Bitstream
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.
ANSI
BIOS
Control Unit
Digital linear tape
27. An expression of variables and operators used to express the operation of a logic circuit
Ammeter
Aliasing
Addend
Boolean expression
28. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Concurrency
Data Sheet
Carry propagation
CLB (Configurable Logic Block)
29. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
Boundary scan
Complement
Dividend
BIOS
30. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Dependency notation
Controller
Collector
Angular Velocity
31. A logic gate that produces a High output only when all of the inputs are HIGH
Don't Care...
AND gate
Current sinking
Angular Velocity
32. 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
Circuit
Component
Kirchoff's Current Law(KCL)
CLB (Configurable Logic Block)
33. 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
Decrement
Choke
Control Bus
34. Having two stable states. Flip- flops and latches are bistable multivibrators.
Bistable
Bidirectional shift Register
Delta Modulation
BJT
35. The ratio of pulse width to period expressed as a percentage
Binary coded decimal
Cache memory
Boundary scan
Duty cycle
36. An electrical instrument used to measure current
BJT
Ammeter
Bias
Bus arbitration
37. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Distributive Law
Collector
Design flow
Bit time
38. A class of integrated logic circuits that is implemented with a type of field effect transistor
CMOS Complementary Metal Oxide Semiconductor
Boolean expression
Asynchronous counter
BIOS
39. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Counter
Center Tap
Admittance
Circuit
40. A programming language that uses English like words and has a one- to- one correspondence to machine language
AND gate
Binary coded decimal
Assembly language
Boolean algebra
41. The process that prevents two sources from using a bus at the same time
Addend
Control Bus
Commutative Law
Bus arbitration
42. 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.
Binary coded decimal
Bit
Delta Modulation
Controller
43. Sum of all the voltage drops in series equals to the source voltage
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183
44. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Concurrency
Boolean multiplication
Architecture
Average value
45. An array of AND gates consisting of a matrix of programmable interconnection
Dependency notation
Carry generation
Alphanumeric
AND array
46. A resettable protective device used for interrupting execessive current in an electric circuit
Code
Data Sheet
AWG
Circuit Breaker
47. A digital counter having ten states
Decade Counter
Boolean addition
Band- pass filter
Carry propagation
48. One of the three regions in a bipolar junction transistor
Base
Carry propagation
Circuit
Acceptor
49. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Bitstream
Architecture
Antifuse
Battery
50. A device used to convert an analog signal to a sequence of digital codes
Address
ASCII
Analog- to- digital converter(ADC)
Carry generation
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