Question 1(a)(b)(c)A digital system is designed to transmit an unsigned nine-digit decimal numberin straight binary format using an odd parity method for error detection. Give thenumber of bits required to store and send this number.(5 marks)Execute the following operations using binary arithmetic. The numbers are givenin decimal format. Multiply 26 by 19. Show your workings.(5 marks)Execute the following operations using 10-bit two's complement arithmetic. Thenumbers are given in decimal format. Add-54 to +169. Show your workings.(5 marks)