Subject: Computer Organization I 1. a) How many milliseconds (ms) are in 1 second? b) How many microseconds (μs) are in 1 second? c) How many nanoseconds (ns) are in 1 millisecond? d) How many...

Subject: Computer Organization I

1.
a) How many milliseconds (ms) are in 1 second?
b) How many microseconds (μs) are in 1 second?
c) How many nanoseconds (ns) are in 1 millisecond?
d) How many microseconds are in 1 millisecond?
e) How many nanoseconds are in 1 microsecond?
f) How many kilobytes (KB) are in 1 gigabyte (GB)?
g) How many kilobytes are in 1 megabyte (MB)?
h) How many megabytes are in 1 gigabyte?
i) How many bytes are in 20 megabytes?
j) How many kilobytes are in 2 gigabytes?

2.  Briefly explain two breakthroughs in the history of computing.

3.  In the von Neumann model, explain the purpose of the:
a) processing unit
b) program counter