Nature of Computing - CSCI 104

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Midterm Study Guide


Midterm is Oct 11 (MW sections) or Oct 6 (WF section)

The Midterm will cover Chapters 0 through Chapter 4, plus a few extra things we did in class.  This study guide tells you the kinds of things you should know for the test.

First of all, you should look through your past homework.  Here's a list of those assignments:

Chapter 0: p31-33: True/False #1,2,3,9,10, Multiple Choice #9,14,15, Review #2.
Chapter 1: p65-67: True/False #2, 3, 5, 8, Multiple Choice #1,2,6,8,9,10,15, Review Questions #5,8.
Chapter 2: p95-97: True/False #1, 3,4,5,7,9.  Multiple Choice #1,2,3,4,5,9,10,11.  Review #4, #5
Chapter 3: p133-135: True/False #1, 2, 5, 6, 7, 8; Multiple Choice #1, 3, 4, 6, 10, 13; Review Questions: #5, 6, 9
Chapter 4: p171-173: True/False #1, 2, 4, 5, 9, 10; Multiple Choice #1, 3, 4, 5, 6, 8, 11, 12, 13; Review Questions #8, #9

Some terms you should know:

URL, HTML, HTTP (what do they stand for?)
hardware, software, firmware (p46), ROM, RAM, Moore's Law, BIOS (p91, top)
freeware, shareware, public domain

binary, bit, byte, kilobyte, megabyte, gigabyte, terabyte

Peripherals: LCD vs CRT monitors, impact vs non-impact printers (differences, advantages of one vs the other)

Secondary Storage: magnetic media vs optical media, random access vs. sequential access.  Which are DVDs, CDs, hard disks, tapes, floppy disks. (For example, a DVD is optical media, random access).

Digitizing: How does real world information get translated into something a computer can use? 2 steps: Sampling (breaks up into small pieces, and chooses a representative sample for that section of information), Quantizing (assigning a number to the sample).

An algorithm is composed of three types of operations: sequential (step-by-step), iterative (repeat), and conditional (if-then).

A compiler translates a high-level language into machine language.

Emails: should be clear, concise, and have a good, descriptive subject line

History: In what building was the internet invented? When was email invented? (Pentagon; in the 1970's)

What's the first thing you should do when you open a new document? (Save it)

What kind of questions?  Multiple choice, fill in the blank, matching, True/False, and a couple short answer