This exam consists of three short cases: Case Points A fine red wine 120 Picture perfect cameras 110 Making food the world loves 120 Total 350   Answer the questions for each case. The cases/questions are not ordered by difficulty. If you are stuck, try the next question! For all questions, carry at least 6 decimal places throughout your calculations and use the decimals reported in the multiple choice answers for the final answer. If regression output is given, use the decimals reported in the regression output. Per student requests to reduce “scrolling fatigue”, the R output is also provided in a single downloadable Word file here: R_output_exam.docx

Based on the generalized motor program theory, how can Mark Fischman’s finding—that experienced children still made more grasping errors without visual feedback—be explained?

The pharyngeal-esophageal phase of swallowing is voluntary and is controlled by the swallowing center in the hypothalamus and spinal cord.

Oxidative deamination (removal of NH2 group of amino acids) takes place in the ________.

By applying both static and dynamic analysis to detect bugs in program, we can practically achieve bug-free programs.

[Short-answer question] An access control matrix (ACM), with subjects as the row and objects as column, can be sparsely filled. Efficient alternatives are Access Control Lists (ACL) and capability list. How can one extract ACL and capability list from ACM? You can use a simple example to illustrate your point. [3 + 3pts]

[FIXME] In the following code, find three errors or problems that will cause security issues (e.g., buffer overflow) or reliability issues (e.g., crash, significant slowdown) at runtime. For each error or problem, use one sentence to describe the error or problem (also list the line number), and use one sentence to  describe your fix. No syntax issues. [4 X 3pts]    

The kernel space runs on the ring 3 privilege level, and the user space runs on ring 0.

Under the CDECL (32 bit) calling convention, function arguments are passed through registers.  

The return value of a system call should be checked, as the system call may fail