Introduction
CMSC 104
Spring 2000
Problem Solving and Computer
Programming
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Am I in the right class?

CMSC 104
o Assumes NO programming experience
o Does NOT count towards your CS major
o Prepares you for CMSC 201

CMSC 201
o Assumes some programming experience
o First CMSC course for CS majors
o More challenging
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Getting a GL Account at UMBC

You MUST have a GL account
Go to room ECS 005 (in the basement)
 Sign-on to one of the PCs there

o Type in the word register as the Login ID
o No Password
o Follow the instructions

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Your account can be used in 24 hours
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Changing your Unix password
Login by entering your id and password
given on the sheet
 At the Unix prompt type:
passwd <Return>
 You will be prompted for your new
password; type it in and press <Return>
 You will be asked to type the new
password again

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Changing your Unix password
(continued)
You will be given a message that the
password has been changed
 OR you will be given a message that
rejects your new password
 Passwords should be at least 5
characters long, should be something
you will remember.
 Your password will be rejected if it is a
CMSC 104 commonly used word or name

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Computer Science at UMBC

CSEE Administrative Offices
o ECS 210

CSEE Student Services Office
o ECS 201

CSCM (Sea Scum)
o Computer Science Council of Majors

CSHC (Computer Science Help Center)
o ECS 332 In the Mechanical Engr Dept.
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UCS Labs
University Computing Services are
responsible or all the computers
 24 hour labs

o ECS 021 -- IBMs, MACs

Open Labs
o ECS 005 -- SGI Workstations
o ECS 104 -- IBMs (but not 104A)
o ECS 122A -- IBMs

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Print Dispatch -- ECS 019 ($$)
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UCS Labs (Cont'd)

Open, but sometimes reserved
o ECS 333 -- IBMs
o ECS 336 - MACs

Hours of Operations
o Monday - Thursday
o Friday
o Saturday
o Sunday
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7 AM - 3 AM
7 AM - Midnight
8 AM - Midnight
Noon - 3 AM
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Consultants vs Tutors

UCS Labs are staffed by consultants
o
o
o
o
o

using software (pine, xrn, netscape, etc.)
some text editors (emacs, pico)
operating system commands (Unix)
cleaning floppy disks
communicating with UMBC computers
CSHC is staffed by tutors
o Help with homework and projects
o emacs and Unix questions
o ECS 332 -- Hours to be announced
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telnet
Connect to your Internet Service
Provider (ISP)
 Windows 95/NT/98

o Start
o Run
o telnet gl.umbc.edu
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Hardware & Software Needs

Do I need my own computer?
o No, but it is more convenient for you

If I have my own computer, can I use it?
o Sure, but you will using it mostly to login to
your GL account or for word processing

Do I need a C Compiler?
o No, and if you buy one, you will be wasting
your $$$. All programming should be done
in your GL account.
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Course Overview








Introduction to Computer Organization and
Architecture
Data Representation and Memory Usage
Introduction to Operating Systems
Problem Solving and Algorithm Development
Introduction to Software Engineering Using TopDown Design
Compiling, Linking and Execution
C Programming
Reuse Based on Algorithm Selection and Design
Techniques
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