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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. The ability of a capacitor to store electrical charge.
Thevenin Equivalent Circuit
Capacitance
Access time
Decoder
2. A program that converts English- like mnemonics into machine code
Commutative Law
AND gate
Decimal
Assembler
3. The process of producing an output carry in full- adder when both input bits are 1s.
CMOS Complementary Metal Oxide Semiconductor
Carry generation
Concurrency
ASCII
4. The ratio of pulse width to period expressed as a percentage
AHDL
Duty cycle
Assembly language
CMOS Complementary Metal Oxide Semiconductor
5. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Dependency notation
Bipolar
Data bus
Cross - assembler
6. Having two directions. the stored data can be shifted right or left
Baseline
Control Unit
Array
Bidirectional shift Register
7. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Duty cycle
Architecture
Admittance
Dual in - line package
8. A set of interconnections that interface one or more devices based on a standardized specification
Current sinking
Thevenin Equivalent Circuit
Bus
ALU
9. 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
Cascade
Control Bus
Cross - assembler
Data Sheet
10. One of the three regions in a bipolar Junction transistor(North junction of NpN)
CMOS
AND array
DCE
Collector
11. A digital circuit device that converts coded information into another (familiar) or noncoded form
Decoder
Data
Decode
Access time
12. A receiving device on a bus
Bipolar
Cache memory
Acceptor
Boolean algebra
13. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Buffer
Data Selector
Diode
Boundary scan
14. The number of protons in a nucleus
Apparent power
Complement
Design flow
Atomic number
15. 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
Bus interface unit
Ammeter
Demultiplexer
Ampere- hour(Ah) rating
16. The VHDL unit that describes the internal operation of a logic function; the internal functional arrangement of the elements that give a device its particular operating characteristics.
Binary coded decimal
Control Bus
Architecture
bed- of- nails
17. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Debug
Circuit
Distributive Law
Controller
18. The maximum value of a voltage or current
Kirchoff's Current Law(KCL)
CMOS Complementary Metal Oxide Semiconductor
DMA
Amplitude
19. A transformer in which the primary and secondary are in a single winding
Decoder
Demultiplexer
Autotransformer
Byte
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
Decoder
Bipolar
Control Bus
Bandwidth
21. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Aliasing
Balanced Bridge
Analog
Assembler
22. A device used to convert an analog signal to a sequence of digital codes
Analog- to- digital converter(ADC)
Capacitance Reactance
Bit
Dividend
23. A type of IC package whose leads must pass through holes to the other side of a PC board
Demultiplexer
Analog- to- digital (A/D) conversion
Bode Plot
Dual in - line package
24. An expression of variables and operators used to express the operation of a logic circuit
Carry
DTE
Angular Velocity
Boolean expression
25. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Decrement
Boolean addition
Bit time
BIOS
26. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
Decrement
Base address
DTE
DMA
27. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Bandwidth
Augend
Decimal
Counter
28. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Average value
Analog
Battery
Component
29. 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
Carry propagation
Data Selector
Atomic number
Commutative Law
30. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
Amplitude
Array
CPLD
DSP
31. A condition where all the load currents are equal and the neutral current is zero
DIMM
Boundary scan
Balanced Load
Adder
32. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
DRAM
Dynamic Memory
AND
D Flip-Flop
33. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Capacity
Digital linear tape
Baseline
Bode Plot
34. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Analog
Distributive Law
Code
D Flip-Flop
35. Having two stable states. Flip- flops and latches are bistable multivibrators.
Bistable
CPLD
Capacitance
Dynamic Memory
36. A circuit with a complete current path
DSP
Closed circuit
Buffer
CPLD
37. A circuit that prevents loading of an input or output
Buffer
Addend
Ammeter
Address Bus
38. A programming language that uses English like words and has a one- to- one correspondence to machine language
Data
Vx=(Vs * Rx) /RT
Astable
Assembly language
39. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Cache memory
Controller
Apparent power
Aliasing
40. 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.
Band- pass filter
ANSI
Attenuation
Ampere- hour(Ah) rating
41. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Commutative Law
Addend
Boolean expression
Bidirectional shift Register
42. An asynchronous input used to reset a flip- flop (make the Q output 0); to place a register or counter in the state in which it contains all 0's
Address
Clear
TTL
Circular Mil (CM)
43. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Balanced Load
Alphanumeric
Decrement
Associative law
44. A binary digit - which can be either 1 or 0
Norton's Theorem
Adder
Bit
Don't Care...
45. A software compiler language for SPLD programming; a type of hardware description language (HDL)
DTE
bed- of- nails
ABEL(Advance Boolean Expression Language)
Buffer
46. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Bode Plot
Cascade
AWG
Angular Velocity
47. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Charge- coupled device
Adjacency
Comparator
BEDO DRAM
48. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Bandwidth
Bit
Address
AHDL
49. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Demultiplexer
Debug
Autotransformer
Analog
50. Burst extended data output dynamic random- access memory
Demultiplexer
Analog
BEDO DRAM
Carry propagation