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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 filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Bit
AND array
Band- stop filter
Bus interface unit
2. A circuit that prevents loading of an input or output
Buffer
Collector
Bandwidth
Baseline
3. A series of bits describing a final design that is sent to the target device during programming
Bitstream
Cache memory
Assembly language
AND
4. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Antifuse
Bitstream
Assembler
Buffer
5. The smallest particle of an element possessing the unique characteristics of that element.
Ampere
Closed circuit
Atom
Bandwidth
6. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
DMA
Control Unit
Charge
Addend
7. The digit generated when the sum of two binary digits exceeds 1
Center Tap
Data Selector
Carry
Cross - assembler
8. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Circuit
Data Sheet
Compiler
Alphanumeric
9. Digital audio tape; a type of magnetic tape format
Decade Counter
CMOS
DAT
Duty cycle
10. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Bitstream
Combinational logic
Carry
ABEL(Advance Boolean Expression Language)
11. 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
Ampere
Combinational logic
Data bus
Bit time
12. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Counter
AND gate
Cache memory
Dynamic Memory
13. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Norton's Theorem
Adder
Cache memory
Clear
14. 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
Band- pass filter
Ampere- hour(Ah) rating
ASCII
15. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
CPLD
Bistable
Collector
Data
16. An expression of variables and operators used to express the operation of a logic circuit
Band- stop filter
Capacitor
Assembler
Boolean expression
17. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Dependency notation
Clock
Closed circuit
BEDO DRAM
18. The number of protons in a nucleus
Atomic number
Antifuse
DAT
CLB (Configurable Logic Block)
19. A logic gate that produces a High output only when all of the inputs are HIGH
Access time
AND gate
DCE
Decimal
20. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
Decoder
Alphanumeric
DRAM
Assembly language
21. 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
Ampere
Ampere- hour(Ah) rating
Capacitance
Control Unit
22. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Adjacency
Ampere- hour(Ah) rating
Capacitor
Boolean multiplication
23. 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.
Vx=(Vs * Rx) /RT
Code
Duty cycle
Circuit
24. The current left after the total load current is subtracted from the total current into the circuit
CMOS
Analog- to- digital converter(ADC)
Bleeder Current
Bistable
25. The action of a circuit in which it accepts current into its output from a load
Dependency notation
Balanced Bridge
Attenuation
Current sinking
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.
Bandwidth
Complement
Buffer
Associative law
27. The process of converting an analog signal to digital form
DCE
Diode
Analog- to- digital (A/D) conversion
Addend
28. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Binary
BIOS
Band- pass filter
Delta Modulation
29. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
DAT
Analog
Compiler
Asynchronous counter
30. A receiving device on a bus
Address Bus
Bus arbitration
Acceptor
Bus interface unit
31. A programming language that uses English like words and has a one- to- one correspondence to machine language
Bus arbitration
Band- pass filter
Assembly language
Data
32. Transistor-Transistor Logic and is implemented with bipolar junction transistors
Norton's Theorem
TTL
CPLD
Demultiplexer
33. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
Clock
Circuit Breaker
Dynamic Memory
D Flip-Flop
34. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Angular Velocity
Boolean multiplication
Antifuse
Asynchronous counter
35. The process or sequence of operations carried out to program a target device
Boolean expression
Component
DRAM
Design flow
36. American wire gauge; a standardization based on wire diameter
Decade Counter
Binary
TTL
AWG
37. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Band- pass filter
ASCII
Cross - assembler
DRAM
38. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Attenuation
Clear
Analog- to- digital converter(ADC)
Commutative Law
39. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
DSP
Analog- to- digital converter(ADC)
Carry
Comparator
40. The unit of electrical current
Branch
Norton's Theorem
Ampere
Decode
41. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Charge
Aliasing
Current sinking
Bus interface unit
42. The beginning address of a segment of memory
Circuit Breaker
Adder
CMOS Complementary Metal Oxide Semiconductor
Base address
43. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Address
Balanced Bridge
Amplitude
Distributive Law
44. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
Code
Combinational logic
Access time
CMOS
45. 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.
Debug
Assembler
Charge
Controller
46. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Kirchoff's Current Law(KCL)
Boolean addition
Address Bus
AND array
47. In a PLD - a matrix formed by rows of product- term lines columns of input lines with a programmable cell at each junctions. In VHDL - an array is an ordered set of individual items called elements with a single identifier name.
Array
Base address
Charge- coupled device
Adder
48. A type of counter in which each stage is clocked from the output of the preceding stage.
AHDL
Bus arbitration
Asynchronous counter
Dividend
49. 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
BIOS
Delta Modulation
Control Bus
Alphanumeric
50. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
Boolean expression
Bode Plot
AND
Combinational logic
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