Worksheet 4
Due February 12, 2015
You may use this worksheet during the Quiz on February 12, 2015.
For Collection
Using your particular chosen profession as a reference, explain/respond to the following:
A. What is an example of either vertical or one-of-a-kind software you will likely encounter.
B. Why might you be expected to have a broader understanding of software than simply that of a
user?
a. For example, how might you be expected to evaluate/select software to improve
processes, productivity?
Reading and other preparation
1. Read Chapter 3 up to the section about Networking: Approximately page 68 of the old text and
64 of the new. The new version of the text does have some content that the old does not.
You may also use Google to research the below terms.
a. Application software
b. Android
c. Byte
d. CPU
e. COTS – commercial off the shelf software
f. Custom developed software
g. Database tier
h. Dual processor
i. Firmware
j. FTP
k. Storage size (Kilo, Mega, Giga, etc.)
l. License
m. Linux
n. Mac OS
o. Machine code
p. Main memory (RAM)
q. Microsoft Windows
r. Native application
s. Off the shelf software
t. One of a kind application
u. Operating system
v. Programming languages
w. ROM (read only memory)
x. Software as a service
y.
z.
aa.
bb.
cc.
dd.
Source code
Storage hardware
3 tier architecture
Unix
Horizontal market software
Vertical market software
Questions from lecture and about the above definitions
1. What is the difference between storage and RAM (random access memory).
2. RAM manages all the programs that are currently running and ___________________.
3. What are 2 examples of utility software?
4. What is an example of a very common device, likely in every apartment/home/dorm room that
has firmware in it? (There are multiple examples)
5. What are 3 examples of common operating systems?
6. What types of things are controlled by the operating system?
7. What are 3 examples of hardware?
8. Explain how defragmentation software works and why it improves the performance of a
computer.
9. Explain why installing more RAM might improve the performance of a computer.
10. Give 3 examples of horizontal software.
11. Give an example of vertical software that might be used by a large hospital system, such as BJC
or SLU hospital.
12. Is the software that is used at the Travelocity.com website likely an example of custom designed
software, vertical or horizontal software?
13. Is the software that might be used by a traditional travel agent likely an example of custom
designed, vertical or horizontal software?
14. Give a specific example of a type of one-of-a-kind software that might be developed/used be a
company such as Boeing.
15. Give 3 examples of processes that your operating system performs for you.
16. Why is the Operating system compared to a bodily system like the central nervous system.
17. What is ROM? When is ROM used in a computer system?
18. Is a computer hard drive an example of memory or storage and why?
Questions about MS Excel
1. Explain what each of the below formula determines in MS Excel?
a. PMT
b. PPMT
c. IPMT
2. Write an equation (there are at least 3 correct answers) that represents the relationship
between PMT, PPMT and IPMT.
3. Using MS Excel, find each of the following:
a. The monthly payment on a $20,000 car loan for 4 years at 3%.
b. The monthly payment on a $150,000 home loan for 30 years at 7%.
c. The interest payment at the 15th installment of a $150,000 home loan for 30 years at 7%
d. The principle payment at the 15th installment of a $150,000 home loan for 30 years at
7%