In order for Rob to connect to the network,be must check all the connections he has in order to verify if it is physical problem or not. Let Rob check the wires and all the necessary devices like the routers and switches. If its not physical problem then check if the packets have gone out to the different layers of the network.
Answer: b) Registers
Explanation:
Registers are type of memory for computer that has instruction storage for transmitting it quickly and instantly by CPU(central processing unit).It hold the location of the instruction through which execution operation takes place.According to present location, next instruction for execution is prepared.
- Other options are incorrect because arithmetic and control unit(ALU) is for performing evaluation of arithmetic and control instruction,shifters is for shifting data bits and compiler is used for compilation of program.
- Thus, the correct option is option(b).