I-O Handling

Question 1

What is the bit rate of a video terminal unit with 80 characters/line, 8 bits/character and horizontal sweep time of lOOµs (including 20 µs of retrace time)?

A
8 Mbps
B
6.4 Mbps
C
0.8 Mbps
D
0.64 Mbps
       Operating Systems       I-O Handling       Gate 2004-IT
Question 1 Explanation: 
Horizontal sweep time = 100µs
Total number of bits transmitted = 80 * 8 = 640 bits
Bit rate = (640 * 106)/100 = 6.4 Mbps
There is 1 question to complete.