GATE | Sudo GATE 2020 Mock I (27 December 2019) | Question 42

A computer system uses 16-bit memory addresses. It has a 2K-byte cache organized in a direct-mapped manner with 64 bytes per cache block. Assume that the size of each memory word is 1 byte. When a program is executed, the processor reads data sequentially from the following word addresses:

128, 144, 2176, 2180, 128, 2176 

All the above addresses are shown in decimal values. Assume that the cache is initially empty. The cache hits ratio occur for for above given addresses is __________ .