XIII. What does RISC stand for? a. Reduced Instruction Set Computer b. Random Interrupt System Control c. Response Interrupt System Control d. Reduced Interface System Computer XIV. Which of the following devices is a combination of both input and output? a. Keyboard b. Bar code reader c. Touch screen d. Mouse XV. Which of the following encoding system is considered inadequate for synchronous networks? a. Manchester encoding b. Non-Return to Zeros (NRZ) c. Both of them d. None of them