# Shared Flashcard Set

## Details

ect
ect
27
Accounting
Kindergarten
09/19/2012

Term
 two ways to represent numerical value of quantities
Definition
 analog and digital
Term
 quantity represented by voltage, current, or meter movement
Definition
 analog
Term
 quantities represented by symbols
Definition
 digital
Term
 analog is __________ and digital is ___________
Definition
 continuous, discrete(step by step)
Term
 combination of devices designed to manipulate logical information
Definition
 digital system
Term
 contains devices that manipulate physical quantities
Definition
 analog system
Term
 10 numbers is the
Definition
 decimal system
Term
 convert decimal to binary
Definition
 1, 2, 4, 8, 16, 32, 64, 128, 256, 512
Term
 0 and 1
Definition
 binary system
Term
 a binary digit is a
Definition
 bit
Term
 produce output voltages that fall within the value 0 and 1
Definition
 digital circuit
Term
 the manner is which a digital circuit responds to an input is
Definition
 logic circuit
Term
 boolean 0 and 1 represent state of voltage variable
Definition
 logic level
Term
 or gate
Definition
 1+1 = 1, 0+1 = 1, 0+0=0
Term
 or gate looks like ___, and gate looks like, not gate looks like
Definition
 shield, penis head, triangle with circle(inversion)
Term
 and gate
Definition
 0x0=0, 0x1=0, 1x1=1
Term
 not gate
Definition
 not 0 or not 1, not 0 = 1,
Term
 nor gate
Definition
 not or, or then inversion
Term
 nand and nor symbol
Definition
 or with circle, and with circle
Term
 active high and active low
Definition
 1 and 0
Term
 when a logic signal is in active state
Definition
 asserted
Term
 when a logic signal is not in active state
Definition
 unasserted0
Term
 kmap
Definition
 the squares diagram, loop all the 1s
Term
 xor + symbol
Definition
 produces high output when two inputs are opposite /// shield with another line, x=A crosshair B
Term
 xnor
Definition
 produces high output whenever two inputs same level // same with circle, not a not crosshair not b = x
Term
 ssi msi lsi vlsi ulsi
Definition
 smal medium large very large ultra large
Term
 allow end user to specify logical operation of the device through programming
Definition
 programmable logic devices
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