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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 device used to convert an analog signal to a sequence of digital codes
Decoder
ABEL(Advance Boolean Expression Language)
Binary coded decimal
Analog- to- digital converter(ADC)
2. A programming language that uses English like words and has a one- to- one correspondence to machine language
Admittance
Assembly language
Data Selector
Compiler
3. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Controller
Comparator
Atom
Circuit Breaker
4. 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
Admittance
Complement
Asynchronous counter
Closed circuit
5. The action of a circuit in which it accepts current into its output from a load
Current sinking
Component
Cache memory
CLB (Configurable Logic Block)
6. In addition - the number to which the addend is added
Antifuse
Boolean algebra
Dynamic Memory
Augend
7. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit
Address
Vx=(Vs * Rx) /RT
Circuit
Control Bus
8. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Dynamic Memory
Array
Atomic number
Asynchronous counter
9. A type of magnetic tape format
Circuit
Distributive Law
Controller
Digital linear tape
10. A program that converts English- like mnemonics into machine code
Bandwidth
Cache memory
Controller
Assembler
11. A transformer in which the primary and secondary are in a single winding
DAT
Autotransformer
Circuit
Ammeter
12. The time from the application of a valid memory address to the appearance of valid output data
Dynamic Memory
CMOS Complementary Metal Oxide Semiconductor
Access time
Central processing unit
13. American Standard Code for Information Interchange; the most widely used alphanumeric code.
Bus
DRAM
Address
ASCII
14. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
Access time
Dividend
DRAM
Don't Care...
15. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Ammeter
ABEL(Advance Boolean Expression Language)
Bus
Amplitude
16. In a division operation the quantity that is being divided
Dividend
Boolean expression
Counter
Closed circuit
17. 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
Astable
Dividend
18. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Duty cycle
Amplitude
Array
Balanced Load
19. A type of IC package whose leads must pass through holes to the other side of a PC board
DCE
AND gate
Dual in - line package
Circuit
20. 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
Astable
BEDO DRAM
Dual in - line package
Control Bus
21. Having two directions. the stored data can be shifted right or left
Attenuation
Closed circuit
Bidirectional shift Register
DMA
22. Data Communications equipment
Apparent power
Average value
DCE
Commutative Law
23. The ratio of pulse width to period expressed as a percentage
Bistable
Band- pass filter
Duty cycle
Atomic number
24. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
Aliasing
Clear
Dividend
Baseline
25. Altera HDL; a nonstandard HDL
Decade
Boolean addition
AHDL
Analog- to- digital converter(ADC)
26. An expression of variables and operators used to express the operation of a logic circuit
Boolean expression
Base
Access time
Bode Plot
27. In Boolean algebra - the AND operation
Bit time
Boolean multiplication
DAT
Ampere
28. The process of rippling an input carry to become the output carry in a full- adder when either or both of the input bits are 1's and the input carry is a 1
Access time
Battery
Vx=(Vs * Rx) /RT
Carry propagation
29. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Bipolar
Architecture
Bus contention
Alphanumeric
30. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Amplitude
Choke
Capacitor
D Flip-Flop
31. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Center Tap
Dependency notation
DCE
bed- of- nails
32. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Decade Counter
Ampere
Binary
Clock
33. A condition where all the load currents are equal and the neutral current is zero
Component
Balanced Load
Complement
CLB (Configurable Logic Block)
34. Having two stable states. Flip- flops and latches are bistable multivibrators.
Array
Commutative Law
Bode Plot
Bistable
35. A digital counter having ten states
DMA
Decade Counter
Attenuation
TTL
36. A type of counter in which each stage is clocked from the output of the preceding stage.
Amplitude
Admittance
Bode Plot
Asynchronous counter
37. The mathematics of logic circuits
Binary
Capacitor
Dual in - line package
Boolean algebra
38. The number of protons in a nucleus
Atomic number
Address
Circuit
Circuit
39. A connection at the midpoint of a winding in a transformer
Norton's Theorem
Center Tap
Boolean addition
Admittance
40. Data Terminal equipment
ANSI
DTE
Decade Counter
Demultiplexer
41. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Capacitance
Charge- coupled device
Angular Velocity
Augend
42. 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
Diode
Charge
Adjacency
43. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Kirchoff's Voltage Law
Angular Velocity
Dynamic Memory
Band- stop filter
44. A circuit that prevents loading of an input or output
Norton's Theorem
Boolean algebra
DRAM
Buffer
45. The application of a dc voltage to an electronic device to produce a desired mode of operation
Array
Dividend
Bias
Apparent power
46. Describes a number system with a base of ten
DRAM
Kirchoff's Voltage Law
Decimal
Distributive Law
47. A class of integrated logic circuits that is implemented with a type of field effect transistor
Counter
Battery
CMOS Complementary Metal Oxide Semiconductor
Commutative Law
48. Digital audio tape; a type of magnetic tape format
Addend
DAT
Access time
Assembly language
49. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
Don't Care...
Concurrency
CPLD
Base
50. A group of eight bits
Capacitance
Ammeter
AHDL
Byte