cgs

COP 3767
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Operating Systems
Assignment 4
Worth 1 points
List all commands shown on the main nano editor screen and explain what each one of them does.
^G is to get help using the commands on nano editor.
^X is to exit the terminal
^O is to save the file being edited/write out to the file
^J
^R is to read a file to the nano editor
^W is the search function
^Y is to go to the previous page
^V is to go to the next page
^K is to cut a piece pf text
^U is to paste text

2  Worth .5 point
Name 4 parts that magnetic hard drives have.
The magnetic platter, the spindle, the read/write arm, and the head actuator/motor.

Worth .5 point
Name the most popular current power connectors for magnetic hard drives found in
personal computers today.
Molex connector.

Worth .5 point
Name the 2 most popular current data connectors for magnetic hard drives found in
personal computers today.
SATA and PATA

5 Worth .5 point
Name 5 Types of Servers
Mail, web, ftp, real-time communication, and telnet server

6 Worth .5 point
On regular Servers (below Mainframes)
a Name 5 Server parts that are usually not found in laptops.
Multiple video cards, hot swappable hard drives, hot swappable power supplies, large amounts of RAM, and multiple cpus.

7 Worth .5 point
a - How many bits are transferred, at a time, in parallel ports.
8 bits
b - How many bits are transferred, at a time, in serial ports.
8 bits

8 Worth .5 point
On regular computers and servers (below Mainframes)
a - Name the 2 most common speeds for secondary storage
5600 & 7200 rpm
9
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Worth .5 point
List the main differences between current
__________.
a
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Hubs
b
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Switches
c
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Routers
Assignment su
bmission
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Submit a Word file with the questions and answers in the
A
ssignment 4
dropbox.