Instruction fetch and execution are two phases of instruction processing in 8085A. [Arahan mengambil dan pelaksanaan adalah dua fasa pemprosesan arahan dalam 8085A. (i) Describe the event and activities of 8085A during fetch and execution in 8085A. (ii) [Terangkan acara dan aktiviti-aktiviti 8085A semasa fasa mengambil dan fasa pelaksanaan dalam 8085A.] (4 Marks/ Markah) Write the sequence of operations to fetch and execute the following instruction: [Tulis urutan operasi untuk melaksanakan arahan berikut:] STA addr Assume that 'addr' is a valid memory address. [Dimana 'addr' adalah alamat ingatan yang sah.] (6 Marks/ Markah) ....3/