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31. The differences between PLA and ROM is
PLA is combinational ROM is sequential
PLA economises on the number of minterms
PLA has fixed AND array, ROM has fixed NAND array
None of the above
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32. The control unit of computer
Performs ALU operations on the data
Controls the operation of the output devices
Both (a) and (b)
Directs the other unit of computers
33. The ALU of a computer normally contains a number of high speed storage elements called
Semi conductor memory
Registers
Hard disk
IC
34. The unit of a computer system which executes program, communicates with and often controls the operation of other subsystems of the computer is the
CPU
Control unit
Peripheral unit
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