#21
What logic circuit is analogous to a single pole mechanical selector switch?
Adecoder
Bencoder
Cmultiplexer
Dexclusive OR
#22
An encoder is an MSI(medium-scale-integrated) circuit that
AProvides an output code that corresponds to which of a set of input line is true
BProvides a storage of a certain number of binary bits
CSelects a given output based on binary input code
DProvides for delivering one of two or more inputs to an output
#23
__________ is called the time sharing of one line with multiplex signals
ASimultaneous transmission
BBi-directional
CRelay
DMultiplexing
#24
Data selector is also called
Aencoder
Bdecoder
Cmultiplexer
Ddemultiplexer
#25
__________ refers to a function of a decade counter digital IC
AProducing one output pulse for every 10 inputs pulses
BAdding two decimal numbers
CProducing 10 output pulses for every 1 pulse
DDecoding a decimal number for display on seven-segment
#26
_________ refers to BCD counter:
Adecade counter
Bshift register
Cfrequency divider
Dbinary counter
#27
In a system with MOS devices, the main bus loading factor is likely to be
Aresistive
Bcurrent
Ccapacitive
Dstatic charge
#28
When a logic circuit rejects an unwanted signal, this is termed as ________
Alogic levels
Bnoise margin
Cpower consumption
Dpropagation delay
#29
Speed of a logic circuit is normally expressed as
Alogic levels
Bspeed immunity
Cpropagation delay
Dpower consumption
#30
What is a multi-wire connection between digital circuits?
ABus
BWire wrap
CMultiplexed cable
DCable ribbon
#31
What is the process used to describe analog-to-digital conversion?
Abinarize
Blinearize
Cdigitize
Danalogize
#32
What is the process of converting multiple analog input signals sequentially to digital output?
Atime division multiplexing
Banalog to digital conversion
Cspace division multiplexing
Dpulse code modulation
#33
What do you call a circuit that changes pure binary code into ASCII?
Adecoder
Bencoder
Cdemultiplexer
Dcode converter
#34
The output pulses of the logic pulser __________
Acan damage logic circuits
Bare too narrow for the logic probe to respond to
Ccan only force high nodes to low
Dcan be used to overdrive logic nodes high or low
#35
Circuits used to implement Boolean expression or equations
Alogic gates/circuits
Bdigital circuits
Cbinary circuits
Dall of them
#36
A circuit that converts the input logic level to its complement
Ainverter
BNOR gate with all inputs tied
CNAND gate with all inputs tied
Dall of them
#37
If the fan out of a logic gate is not enough, a/an _________ should be used
Ainverter
Bamplifier
Cbuffer
Disolator
#38
A buffer multiplies the number of gates a certain output can drive, and this can be also used as a/an
Avoltage follower
Bcurrent amplifier
Cisolator
Dall of them
#39
Is considered as a controlled inverter
#40
The number of NAND gates needed to form an OR gate