Problem Solving and Computer Programming Introduction CMSC 104 Spring 2000 Problem Solving and Computer Programming

Am I in the right class? CMSC 104 CMSC 201 Assumes NO programming experience Does NOT count towards your CS major Prepares you for CMSC 201 CMSC 201 Assumes some programming experience First CMSC course for CS majors More challenging

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 Type in the word register as the Login ID No Password Follow the instructions Your account can be used in 24 hours

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

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 commonly used word or name

Computer Science at UMBC CSEE Administrative Offices ECS 210 CSEE Student Services Office ECS 201 CSCM (Sea Scum) Computer Science Council of Majors CSHC (Computer Science Help Center) ECS 332 In the Mechanical Engr Dept.

UCS Labs University Computing Services are responsible or all the computers 24 hour labs ECS 021 -- IBMs, MACs Open Labs ECS 005 -- SGI Workstations ECS 104 -- IBMs (but not 104A) ECS 122A -- IBMs Print Dispatch -- ECS 019 ($$)

UCS Labs (Cont'd) Open, but sometimes reserved Hours of Operations ECS 333 -- IBMs ECS 336 - MACs Hours of Operations Monday - Thursday 7 AM - 3 AM Friday 7 AM - Midnight Saturday 8 AM - Midnight Sunday Noon - 3 AM

Consultants vs Tutors UCS Labs are staffed by consultants 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 Help with homework and projects emacs and Unix questions ECS 332 -- Hours to be announced

telnet Connect to your Internet Service Provider (ISP) Windows 95/NT/98 Start Run telnet gl.umbc.edu

Hardware & Software Needs Do I need my own computer? No, but it is more convenient for you If I have my own computer, can I use it? Sure, but you will using it mostly to login to your GL account or for word processing Do I need a C Compiler? No, and if you buy one, you will be wasting your $$$. All programming should be done in your GL account.

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 Top-Down Design Compiling, Linking and Execution C Programming Reuse Based on Algorithm Selection and Design Techniques