6. Control unit of the computer is realized using microprogrammed control method. Unit produces control signals that are delivered to 48 points of computer. Assembly language consists of 79 different instructions. Execution of any instruction needs 8 microinstructions. (a). Determine, how many bits has microprogram counter of this control unit. (b). What is capacity of the control store (in bytes)? (c). Having standard ROM chips 1Kx8, how should be organized control store of this control unit? Number of chips in column - Number of chips in row Total number of memory chips