Brock University
Final Examination: Winter 2014
Course: APCO 2P01
Date of Examination: Dec. 12 2014
Time of Examination: 8:00 p.m. to 10:00 p.m.
Number of Pages: 8
Number of Students: 32
Number of Hours: 2
Instructor: D.Bockus
Instructions:
1)
2)
3)
4)
Write all answers in space provided, extra space is provide on the back of the last page.
Attempt all questions.
The paper totals 76 marks.
Students must obtain a minimum mark of 40% on the final exam in order to obtain a passing grade in the
course.
5) No examination aids other than those specified are permitted. Use or possession of unauthorized materials will
automatically result in the award of a zero grade for this examination.
6) Important: Be sure to fully develop your solution or explanation. Do not give vague or cursory answers. The
purpose of this exam is to find out what you know.
Name:
Student Number:
Question
Total
1
10
2
8
3
4
4
3
5
16
6
4
7
6
8
5
9
9
10
11
Bonus
2
Total
76
Mark
Course: APCO 2P01
[2]
December 12 2014
Page 2 of 8
Bonus Marks: Prove that Halloween = Christmas, Hint: List the dates and think base
conversion.
[5x2] Q1: In one or two sentences each, describe any five (5) of the following:
a) NorthBridge:
b) CMOS:
c) SATA:
d) x86 Code:
e) SSEx:
f) Multi-processing:
Course: APCO 2P01
December 12 2014
Page 3 of 8
Q2: For each symptom below, list and explain the primary probable cause.
[1]
a). Machine starts to boot, you see the windows logo and then freezes.
[1]
b). Machine does a successful POST, you then hear clicking sounds.
[1]
c). Machine freezes randomly.
[1]
d). BSOD on boot.
[1]
e). Machine works, after 15 minutes of watching a video you notice it slowing down, like
it does not have the cycles to process the video. This happens consistently with any
application.
[1]
f). You hear a whining sound coming from the case.
[1]
g). Wireless mouse stops working.
[1]
h). You can only access a website if you know the explicit IP address.
Course: APCO 2P01
[4]
December 12 2014
Page 4 of 8
Q3: List 4 symptoms of a failing hard disk.
a)
b)
c)
d)
[3]
Q4: Your friend has invited you over for a beverage, and then surprise, “can you take a
look at my computer, it is not working”. What are 3 questions to ask, prior to taking any
action?
a)
b)
c)
Course: APCO 2P01
[16]
December 12 2014
Q5: Complete the CrossWord Below.
Page 5 of 8
Course: APCO 2P01
[4]
December 12 2014
Page 6 of 8
Q6: UEFI has several distinct advantages of the traditional BIOS from the 1980’s, list at
least 4 of these.
a)
b)
c)
d)
[6]
Q7: Computers can vary significantly in processing power as a general whole, for each
component below describe the effect that component has on the computing power of a
machine.
a) CPU
b) Clock Speed
c) Hard Disk interface
d) ChipSet
e) Memory (amount)
f) Memory (speed)
Q8: Answer the following with respect to memory.
[3]
a) What is ECC and how does it work, give an example and/or draw a picture in aid of an
explanation.
[2]
b) What is the significance of the PC number on memory?
Course: APCO 2P01
December 12 2014
Page 7 of 8
Q9: Answer the following questions on hard drives.
[1]
a) What is SAS? Explain.
[1]
b) What is an enterprise rated disk drive?
[1]
c) Explain LBA?
[2]
d) What advantage does Raid 1 give you? What are the requirements to implement Raid
1?
[4]
e) Name the 4 parts of the hard drive below.
Course: APCO 2P01
December 12 2014
Page 8 of 8
Q10: Answer the following as they pertain to home networking.
[2]
a) The IP address 192.168.0.4 is for internal (home use) use only. If one tried to use this
address to communicate to a machine outside of the LAN it would fail, Why?
[2]
b) A DHCP (dynamic host control protocol) server is used for what? Explain.
[2]
c) You have just gone to the flee market and picked up a brand new Cogeco cable
modem which you are assured is 100% functional (assume it is). You replace your old
cable modem with this new modem, turn it on, but it will not connect, why?
[1]
d) You perform the
nslookup to the right:
What information does
the lookup give you?
[4]
e) Consider the below network, typical of which, one might find in a home. Fill in the
router and LapTop entries, below.
Cable Modem:
IP: 226.120.5.133
DNS: 226.120.4.6
Mask: 255:255.0.0
Gateway: 226.120.5.1
Router:
IP:
DNS:
Mask:
Gateway:
LapTop:
IP: 192.168.0.100
DNS:
Mask:
Gateway: