Draw the filter structures for implementations of the system in each of the following forms: (a) Direct form I. (b) Direct form II. (c) Transposed form I. (d) Transposed form II. (e) Cascade form using first- and second-order direct form II sections. (f) Parallel form using first- and second-order direct form II sections. (g) Cascade form using first- and second-order transpose form II sections.

When you type the pwd command, you notice that your current location on the linux filesystem is the /usr/local directory. answer the following questions, assuming that your current directory is /usr/local for each question. a. which command could you use to change to the /usr directory using an absolute pathname? b. which command could you use to change to the /usr directory using a relative pathname? c. which command could you use to change to the /usr/local/share/info directory using an absolute pathname? d. which command could you use to change to the /usr/local/share/info directory using a relative pathname? e. which command could you use to change to the /etc directory using an absolute pathname? f. which command could you use to change to the /etc directory using a relative pathname?