1. The maximum size of an x86 instruction is: A 16 Bytes B. 17 Bytes C. 18 Bytes D. 19 Bytes 2. Thumb ADD instruction length is: A 13 bits B. 14 bits C. 15 bits D. 16 bits 3. Which of the following is considered as a variable instruction length: A. PDP-8 B. PDP-10 C. ARM D. PDP-11 4. Memory buffer register (MBR) is used to store: A Data B. Control C. Address D. Offset 5. In the external device, the component that converts from analog to digital or digital to analog is called: A Transducer B. Control logic C. Register D. ALU