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------------------------------------------------ 2.

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?

Answer :

a) 1000 milliseconds in 1 second. b) 1,000,000 microseconds in 1 second. c) 1,000,000 nanoseconds (ns) in 1 millisecond. d) 1000 microseconds in 1 millisecond. e) 1000 nanoseconds in 1 microsecond. f) 1,048,576 kilobytes (KB) in 1 gigabyte (GB). g) 1024 kilobytes (KB) in 1 megabyte (MB). h) 1024 megabytes (MB) in 1 gigabyte (GB). i) 20,971,520 bytes in 20 megabytes (MB). j) 2,097,152 kilobytes (KB) in 2 gigabytes (GB).

A. There are 1000 milliseconds in 1 second.

1 second = 10³ milliseconds

B. 1 second = 1000000 microseconds

1 second = 10⁶ microseconds

C. 1 millisecond = 1000000 nanosecond

1 millisecond = 10⁶ nanoseconds

d) 1 millisecond = 1000 microseconds

1 millisecond = 10³ microseconds

e) 1 microsecond = 1000 nanoseconds

1 microsecond = 10³ nanoseconds

f) 1 gigabyte = 1000000 kilobytes

1 gigabyte = 10⁶ kilobytes

g) 1 megabyte = 1000 kilobytes

1 megabyte = 10³ kilobytes

h) 1 gigabyte = 1000 megabytes

1 gigabyte = 10³ megabytes

i) 1 megabytes = 1000000 bytes

20 megabytes = 20000000 bytes

20 megabytes = 2 ˣ 10⁷ bytes

j) 1 megabyte = 1000 kilobytes

2 megabyte = 2000 kilobytes

2 megabyte = 2 ˣ 10³ kilobytes

Answer and explanation:

a) How many milliseconds (ms) are in 1 second?

1 second = 1000 milliseconds

1 second = [tex]10^3[/tex] milliseconds

b) How many microseconds (μs) are in 1 second?

1 second = 1000000 microseconds

1 second = [tex]10^6[/tex] microseconds

c) How many nanoseconds (ns) are in 1 millisecond?

1 millisecond = 1000000 nanoseconds

1 millisecond = [tex]10^6[/tex] nanoseconds

d) How many microseconds are in 1 millisecond?

1 millisecond = 1000 microseconds

1 millisecond = [tex]10^3[/tex] microseconds

e) How many nanoseconds are in 1 microsecond?

1 microsecond = 1000 nanoseconds

1 microsecond = [tex]10^3[/tex] nanoseconds

f) How many kilobytes (KB) are in 1 gigabyte (GB)?

1 gigabyte = 1000000 kilobytes

1 gigabyte = [tex]10^6[/tex] kilobytes

g) How many kilobytes are in 1 megabyte (MB)?

1 megabyte = 1000 kilobytes

1 megabyte = [tex]10^3[/tex] kilobytes

h) How many megabytes are in 1 gigabyte?

1 gigabyte = 1000 megabytes

1 gigabyte = [tex]10^3[/tex] megabytes

i) How many bytes are in 20 megabytes?

1 megabytes = 1000000 bytes

20 megabytes = 20000000 bytes

20 megabytes = [tex]2\times 10^7[/tex] bytes

j) How many kilobytes are in 2 gigabytes?

1 megabyte = 1000 kilobytes

2 megabyte = 2000 kilobytes

2 megabyte = [tex]2\times 10^3[/tex] kilobytes