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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 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.
Associative law
Assembler
Band- stop filter
Attenuation
2. The mathematics of logic circuits
Atom
Charge
Boolean algebra
AHDL
3. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Analog- to- digital (A/D) conversion
Alphanumeric
Autotransformer
Concurrency
4. 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
CLB (Configurable Logic Block)
Closed circuit
Branch Current
DAT
5. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Component
Cache memory
Kirchoff's Voltage Law
Attenuation
6. 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
Buffer
Complement
Band- stop filter
AND gate
7. A combination of input literals that cannot occur and can be used as a 1 or 0 on a Karnaugh Map for simplification
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8. A series of bits describing a final design that is sent to the target device during programming
Address Bus
Complement
Bitstream
Base
9. A type of counter in which each stage is clocked from the output of the preceding stage.
Delta Modulation
Asynchronous counter
Binary
Band- pass filter
10. Digital audio tape; a type of magnetic tape format
Clear
DAT
CMOS
Code
11. 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.
Data Sheet
Circuit
Data Selector
Controller
12. Characterized by ten states or values
Bias
Data bus
Capacity
Decade
13. A method of analog- to- digital conversion using a 1- bit quantization process
Boolean expression
Adder
Delta Modulation
Commutative Law
14. Data Terminal equipment
Capacitance
Attenuation
Diode
DTE
15. The process or sequence of operations carried out to program a target device
Design flow
Choke
Concurrency
Autotransformer
16. A resettable protective device used for interrupting execessive current in an electric circuit
Capacitance
Carry
Circuit Breaker
Branch Current
17. A program that converts English- like mnemonics into machine code
AND
Assembler
DMA
Controller
18. Sum of all the voltage drops in series equals to the source voltage
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19. Having two stable states. Flip- flops and latches are bistable multivibrators.
Clear
Band- pass filter
DIMM
Bistable
20. The actual current in a branch
DAT
Branch Current
Buffer
BIOS
21. A class of integrated logic circuits that is implemented with a type of field effect transistor
CMOS Complementary Metal Oxide Semiconductor
Debug
BIOS
Data Selector
22. A semiconductor device that conducts current in only one direction
DTE
Attenuation
Diode
Bit time
23. Burst extended data output dynamic random- access memory
Balanced Load
ANSI
BEDO DRAM
Capacitance Reactance
24. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Dual in - line package
Adder
Addend
Circuit
25. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Boolean multiplication
Binary
Clear
Choke
26. Bipolar junction transistor; a semiconductor device used for switching or amplification. A BJT has two junctions - the base- emitter junction and the base- collector junction
Branch
Array
Dependency notation
BJT
27. A type of inductor used to block or choke off high frequencies
Choke
Control Unit
Branch Current
Data
28. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Circular Mil (CM)
Capacity
Comparator
Boolean algebra
29. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
D Flip-Flop
Ammeter
Debug
Dual in - line package
30. In addition - the number to which the addend is added
Augend
AHDL
Commutative Law
Data bus
31. The number of protons in a nucleus
Bandwidth
Asynchronous counter
Atomic number
Admittance
32. 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
DCE
Admittance
Address
33. Dual in - line memory module
Delta Modulation
Boolean multiplication
Bitstream
DIMM
34. 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
Demultiplexer
Control Bus
Architecture
Commutative Law
35. A software compiler language for SPLD programming; a type of hardware description language (HDL)
CMOS Complementary Metal Oxide Semiconductor
Associative law
ABEL(Advance Boolean Expression Language)
bed- of- nails
36. A circuit that prevents loading of an input or output
Data
Buffer
Attenuation
Bus
37. A combined coder and decoder
Code
Amplitude
Decade Counter
Norton's Theorem
38. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
D Flip-Flop
Astable
Bus contention
Associative law
39. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Bit
Bandwidth
Battery
Ampere
40. 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
Norton's Theorem
Concurrency
Bode Plot
41. A digital circuit device that converts coded information into another (familiar) or noncoded form
Decoder
Array
DRAM
Carry generation
42. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Decade
Balanced Bridge
CPLD
ASCII
43. A device used to convert an analog signal to a sequence of digital codes
Analog- to- digital converter(ADC)
Base address
ASCII
Base
44. A programming language that uses English like words and has a one- to- one correspondence to machine language
AND gate
Autotransformer
Demultiplexer
Assembly language
45. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Dependency notation
BEDO DRAM
ANSI
Don't Care...
46. Altera HDL; a nonstandard HDL
AHDL
Adjacency
Duty cycle
DRAM
47. A logic gate that produces a High output only when all of the inputs are HIGH
AND gate
Circuit
Angular Velocity
Kirchoff's Current Law(KCL)
48. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Circular Mil (CM)
Boundary scan
Counter
Complement
49. The smallest particle of an element possessing the unique characteristics of that element.
Closed circuit
Atom
DSP
Atomic number
50. Having two opposites charge carriers within the transistor structure
Bipolar
ASCII
Base address
Ampere- hour(Ah) rating