1. Select the correct answer for each of the following: (1) Convert the number (7.1875),o in 32-bit IEEE format: A. 1 10000001 11001100000000000000000 B. 0 10000001 11001100000000000000000 C. 0 10000000 01001111100000000000000 D. 1 00000001 11001100000000000000000 (Q2) A computer has 64 MB (megabytes) of memory. Each word is 4 bytes. How many bits are needed to address each single word in memory? A. 16 B. 24 C. 32 D. 64 (Q3) A car is carrying a full capacity 500MB USB stick and travelling from Muscat to Salalah at a speed of 200 km/h. Find the data transfer rate of the car (in MB/s), knowing that the distance between Muscat and Salalah is 1000 km: A. B. C. D. 233,211 0.0278 0.00278 None of the above (Q4) There are bytes in a 3.5 gigabytes: A. B. c. D. 3,670,016 3,758,096,384 3,500,000,000 None of the above (QS) The number (1100), can be represented in sign-and-magnitude system as: 12 -3 A. B. C. D. None of the above