Hi everybody ..
I need UR Help ASAP plz .
Im taking digital logic design course & I have some problems to be solved
SO If Anybody could help me I would be thankful
Here R the problems
1) A combinational Logic Circuit has 4 inputs ( A,B,C & D ) and One output Z . The output is iff the input has three consecutive Zeros or three consecutive ones . For example , If A=1, B=0 , c=0 and D=0 then Z=1 , but if A=0 , B=1 , C=0 and D=0 then Z=0
Design the circuit using one 4-input OR gate and 4 3-input AND gates .
2) Design a combinational logic circuit which has one output Z and a 4-bit input ABCD representing a binary number Z . Z should be 1 iff the input is at least 5 , but is no greater than 11 . Use one OR gate ( three inputs ) and three AND gates ( with no more than three inputs each ) .
3) A bank vault has three locks with a different key for each lock . Each Key is owned by a differefnt person . In order to open the door , at least two people must insert their keys into the assigned locks . The signal lines A,B,C are 1 if ther is a key inserted into lock 1,,2 or 3 respectively . write an equation for the variable Z which is 1 iff the door should open .
PLZ PLZ PLZ .. TRY UR Best to help me
I need UR Help ASAP plz .
Im taking digital logic design course & I have some problems to be solved
SO If Anybody could help me I would be thankful
Here R the problems
1) A combinational Logic Circuit has 4 inputs ( A,B,C & D ) and One output Z . The output is iff the input has three consecutive Zeros or three consecutive ones . For example , If A=1, B=0 , c=0 and D=0 then Z=1 , but if A=0 , B=1 , C=0 and D=0 then Z=0
Design the circuit using one 4-input OR gate and 4 3-input AND gates .
2) Design a combinational logic circuit which has one output Z and a 4-bit input ABCD representing a binary number Z . Z should be 1 iff the input is at least 5 , but is no greater than 11 . Use one OR gate ( three inputs ) and three AND gates ( with no more than three inputs each ) .
3) A bank vault has three locks with a different key for each lock . Each Key is owned by a differefnt person . In order to open the door , at least two people must insert their keys into the assigned locks . The signal lines A,B,C are 1 if ther is a key inserted into lock 1,,2 or 3 respectively . write an equation for the variable Z which is 1 iff the door should open .
PLZ PLZ PLZ .. TRY UR Best to help me