UMass Boston

Engineering 103

CW 7

(In-Class-Work 7)

Find in Chapter 4 of DCE (Horenstein) the answers to the following questions (15 min max.)

1.- State the relation between Assembly Code; Programming Language; and Compiler

2.- What is a digital signal? Do an A/D conversion for 2003 with the minimum number of bits, and a D/A conversion for 0101 1010 1101 0010

3.- Do a A/D conversion for 0.5 with 8 bits of information, being 1 the highest number, using no “binary dot” in the binary representation of eight bits; and a second version using a ‘binary dot’ between two groups of four bits, with the second groups using negative decreasing powers of 2 from left two right.

Type your answers in a Word file, write your name and date to submit.

*Remember that this is an individual work (turn it in, as instructed, with your name and date). Home-works and class-works count 20% toward the course grade. Class-works are done in class.