Digital Logic Flashcards
Voltage is a measure of ____.
Potential force
Current is a measure of ____.
Electron flow across a wire
Ground represents __ volts, power represents __ volts.
0, 5
(A and B) = ?
AB
(A or B) = ?
A+B
(not A) = ?
A’
Sum of products, we take __ in outputs and use x to represent x=__, and x’ to represent x=__.
1s, 1, 0
Product of sum, we take __ in outputs and use x to represent x=__, and x’ to represent x=__.
0s, 0, 1
We can build boolean expressions by using only NAND gates. We have to negate the function ___ and reduce.
twice
Flip flops are ___.
Basic unit of memory
Flip flops:
Reset=0, set=0, ?
Keep previous value
Flip flops:
Reset=1, set=0, ?
Reset
Flip flops:
Reset=0, set=1, ?
Set
Flip flops:
Reset=1, set=1, ?
Not allowed
Binary counter is used to ___.
It contains a terminal to ___.
Count pulses; reset output to 0
A clock is an electronic circuit that produces a sequence of ___.
0 1 0 1 0 1
Clock is measured in __.
Hz
Clock is used to ___ in active circuits.
Synchronize operations across gates
Demultiplexor is used to ___.
Select one output
Clock + Counter + Demultiplexer = ?
execution of a sequence of steps
Small Scale Integration (SSI) is ___.
Basic Boolean Gates
Medium Scale Integration (MSI) is ___.
Intermediate logic (demultiplexers and counters etc)
Large Scale Integration (LSI) is ___.
Small embedded processors
Very Large Scale Integration (VLSI) is ___.
Complex processors
