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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 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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2. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Array
Base address
Acceptor
Comparator
3. 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.
Bleeder Current
Battery
TTL
Circuit
4. 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
Dynamic Memory
Ammeter
Control Bus
AWG
5. Having two directions. the stored data can be shifted right or left
DMA
Carry
Bleeder Current
Bidirectional shift Register
6. The application of a dc voltage to an electronic device to produce a desired mode of operation
Circuit Breaker
Bias
Bus contention
BIOS
7. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Circuit
Demultiplexer
AND array
Band- pass filter
8. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Band- pass filter
BEDO DRAM
Delta Modulation
Capacitor
9. Digital audio tape; a type of magnetic tape format
DAT
Central processing unit
AND
Ampere
10. To decrease the binary state of a counter by one
Center Tap
Aliasing
Decrement
Autotransformer
11. The digit generated when the sum of two binary digits exceeds 1
Thevenin Equivalent Circuit
Design flow
Carry
Decode
12. A method of analog- to- digital conversion using a 1- bit quantization process
Assembler
Delta Modulation
BIOS
Boundary scan
13. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Ampere- hour(Ah) rating
Assembler
Charge- coupled device
Aliasing
14. 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
Bipolar
Center Tap
Data bus
Component
15. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Boundary scan
Attenuation
Bias
Capacity
16. A receiving device on a bus
Acceptor
DMA
Central processing unit
ABEL(Advance Boolean Expression Language)
17. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
DAT
Dependency notation
Boolean multiplication
Concurrency
18. The ratio of pulse width to period expressed as a percentage
Kirchoff's Voltage Law
Duty cycle
Band- pass filter
DRAM
19. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
ALU
Design flow
Decade
Antifuse
20. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
CMOS
Bode Plot
Norton's Theorem
Binary
21. In Boolean algebra - the OR operation
Aliasing
Boolean addition
Counter
ANSI
22. The number of protons in a nucleus
Astable
Atomic number
ABEL(Advance Boolean Expression Language)
bed- of- nails
23. The mathematics of logic circuits
ASCII
Augend
Bus interface unit
Boolean algebra
24. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Capacitance Reactance
Analog- to- digital converter(ADC)
Clear
Addend
25. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
Control Bus
Capacitance
Distributive Law
DMA
26. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Branch
Component
D Flip-Flop
Asynchronous counter
27. The process or sequence of operations carried out to program a target device
Ammeter
Design flow
Cache memory
Attenuation
28. A digital counter having ten states
Bitstream
DIMM
Counter
Decade Counter
29. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Baseline
Commutative Law
Amplitude
Current sinking
30. A type of counter in which each stage is clocked from the output of the preceding stage.
Control Unit
BJT
Asynchronous counter
Thevenin Equivalent Circuit
31. In addition - the number to which the addend is added
Central processing unit
Analog- to- digital converter(ADC)
Balanced Bridge
Augend
32. A two terminal circuit containing voltage sources - current sources - and resistors can be modeled as a voltage source in series with a resistor
Choke
Thevenin Equivalent Circuit
Balanced Bridge
Bias
33. In Boolean algebra - the AND operation
DCE
Circuit
Autotransformer
Boolean multiplication
34. A class of integrated logic circuits that is implemented with a type of field effect transistor
Asynchronous counter
CMOS Complementary Metal Oxide Semiconductor
Astable
D Flip-Flop
35. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Bit time
Debug
Choke
Demultiplexer
36. 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
Baseline
BIOS
Cascade
Dependency notation
37. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
Binary coded decimal
Comparator
Digital linear tape
BEDO DRAM
38. The actual current in a branch
Binary
Branch Current
Boolean expression
Combinational logic
39. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Autotransformer
Bit time
Admittance
Address
40. A combined coder and decoder
Assembler
Aliasing
Balanced Load
Code
41. American wire gauge; a standardization based on wire diameter
Decrement
AWG
Circuit Breaker
ASCII
42. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Capacity
Admittance
Bistable
Astable
43. A semiconductor device that conducts current in only one direction
Bit time
Controller
DSP
Diode
44. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Apparent power
Central processing unit
Dependency notation
Band- stop filter
45. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Ampere- hour(Ah) rating
Bus contention
BJT
Associative law
46. Consisting of numerals - letters - and other characters
Addend
Capacitor
CMOS Complementary Metal Oxide Semiconductor
Alphanumeric
47. The process that prevents two sources from using a bus at the same time
Norton's Theorem
Analog- to- digital (A/D) conversion
Bus arbitration
Circuit
48. A resettable protective device used for interrupting execessive current in an electric circuit
bed- of- nails
Circuit Breaker
Comparator
Atomic number
49. 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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50. Dual in - line memory module
CPLD
CMOS Complementary Metal Oxide Semiconductor
Atom
DIMM