Midterm #1 (CMSC216 (Spring 2018))

• Date: Tuesday, March 6, 2018
• Time/Location: Your exam will take place in lecture.
• Duration: 75 minutes
• Closed-book, Closed-notebooks, No Computers/Calculators.
• Use a pencil/mechanical pencil (no pen) to answer the exam.
• Please bring a stapler if you tend to separate the pages of the exam.
• Please take a look at the general exam rules available at Exam Rules.
• The best way to prepare for the exam is to practice old exams. Complete several of them in the allocated time specified in the exam.
• We curve in this course. After you taken the exam, do not discuss anything associated with the exam with other students that have not taken the exam yet.
• Posting any information in Piazza about the exam after taking it is considered an academic integrity violation.
• Please bring a stapler if you tend to separate the pages of the exam.

• Short answer questions: This includes for example, multiple choice, true/false, and fill-in-the-blank type questions.
• Code analysis questions: We will give a short segment of code and you may be asked to identify syntax and logical errors, generate code output, etc.
• Code Writing: Write a program/code snippets to solve a given problem. You should be prepared to give a complete program, but we may also ask you to provide just a single function or a code fragment.

The exam will include all the material covered in discussion session (lab), lecture, quizzes, exercises, and projects (#1 and #2) including the following topics:

• Unix - You must be familiar with the following commands
  • cp
  • ls
  • cd
  • pwd
  • gcc
  • rm
  • mv
  • diff
• C Language
  • #include and #define preprocessor directives
  • Expressions
  • Conditional statements
  • Loops
  • Arrays (1-dimensional and 2-dimensional)
  • Strings - You are responsible for the following string functions:
    • strlen
    • strcpy
    • strcmp
    • strcat
    • strncpy
    • strncmp
  • Pointers
  • enum
  • Structures
  • Unions
  • Functions
  • Linkage
  • Command line arguments
  • Input/output redirection
• Memory maps - Please use the style provided in the following example MemoryMapExample.pdf. If we ask you to draw a diagram for a two-dimensional array, draw the array using row-major order. Notice that old exams may draw the name of the array as a pointer; that is not the approach we want you to use (you will lose credit). Use the style provided in the example above.
• Recursion

The exam will NOT cover the following topics:

• Emacs, Arduino, debugger, splint, valgrind, -fmudflapth -lmudflap, bitwise operators, make utility (makefiles), dynamic memory allocation, reading/writing from files, function pointers

Practice material can be found in the grace system under 216public/exams/exam1. To transfer this material to your computer use https://dav.terpconnect.umd.edu . Use your directory id/passwd (same one used for grace) to log on.

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