Download Name: Questions: (Total points = 135) Due by 11:59 PM 2/27/2017

Name: ________________________________________Essay Questions: (Total points = 135)
Due by 11:59 PM 2/27/2017. Send as an email attachment to [email protected]
1.
Describe the three major functions of an operating system. (3)
2.
Describe/compare data and information (4).
3.
Describe the function of the four categories of parts of the computer used to process
information. List two components that are used in each category.(8)
4.
Describe the purpose of the two major categories of software. List two specific
examples of each category (4)
5.
Describe/compare the five categories of computers (not personal computers) (5).
6.
Describe the purpose of the two major categories of system software. List two
specific examples of each category (4).
7.
Define the following terms and explain what they do or control, with reference to the
internet: (10)
ISP ___
POP3 ___
SMTP ___
TCP/IP ___
FTP ___
https:// ___
URL ___
IP address ___
cookies ___
webcasting ___
8.
Describe and give an example of each of the three types of e-commerce. (3)
9.
Describe the purpose of word processors, spreadsheets, and databases. (6)
10.
Describe how the commercial, custom, shareware, freeware, open source, and public
domain forms of software (methods of marketing) are different. (12)
11.
Give the advantages and disadvantages of the use of social media. (4)
12.
Define/describe the following terms: (6)
a)
b)
c)
d)
e)
f)
13.
Bit ___
Byte ___
PCI ___
PCI Express ___
Control Unit ___
ALU ___
Describe and give the difference between the following memory types. (5)
a)
b)
c)
d)
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DRAM ___
SDRAM ___
SRAM ___
DDR SDRAM ___
e)
RDRAM ___
12 .Explain how each of these items is used in or affects the operation of the CPU. (8)
f)
g)
h)
i)
Pipelining ___
Cache ___
System clock ___
Registers ___
13 Describe, in detail, the steps in the machine cycle of a CPU and which component
performs each step. (8)
14 Describe the use and function of the three types of memory in a desktop system. (6)
15 Compare the use of office suites and cloud computing. (4)
16 Describe at least three safeguards (may include actions and/or programs) that should be
used to ensure your security when working (or browsing) on the internet. (6)
17 Describe how the characteristics determine the transfer of data on a bus. (4).
18 Describe the characteristics used to compare LCD/LED monitors AND the effect of each
characteristic on the picture. (10)
19 Research and describe how the three non-impact printer technologies (laser, inkjet, and
thermal) produce output. (9)
20 Describe the health risks of using computing devices. How might they be prevented or
minimized. Research the problems with computer addictions and some preventives. (4)
21 Define input and output. Give three devices for each. (4)
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