1. (5 pt) Calculate the Cache improvement based on the following data: Cache Hit Memory Cache Memory L2 Cache L3 Cache Access Time 25 ns 2 ns 5 ns 60% 20% 2. (5 pt. Practicum Exercise): find the following information on your computer. a. Find the IRQ (Interrupt Request) for (a) keyboard and (b) network interface card (NIC) of your computer. You are required to provide screenshot to prove your answer. Note: if your keyboard and/or NIC are connected via USB, you may not see them in the device manager. In this case, simply choose two "recognized" devices and show their IRQ. IRQ of keyboard IRA of network interface card How much cache memory is available on your computer? You are required to provide screenshots to prove your answer CPU (e.g., Intel Core i7-6700 3.4GHz) Cache (L2) in MB Cache (L3) in MB