Convert the following ERD into relational schema. It should include the relation names, attribute names, primary keys and foreign keys as shown in below example: Relation1 (Attribute1, Attribute2, Attribute3, Attribute 4*) PK DAMAGE dam no pay date dam type dan PK PK RENT ten no prop.no rent bond rent lease period Finis PAYMENT PK DAY NO pay date 1 pay type pay amount

Given is a sine wave in time domain, using this wave plots answer the following: 1 second ww. Time A- How much is the wave amplitude with its unit? Answer B- How much is the wave frequency with its unit? Answer C- Draw the same wave in the frequency domain Answer

Find the sum of (763)8 and (147)8 and express your answer as an octal expansion.

1. For each sequence given below, find a closed formula an for the nth term of the sequence (assume the first terms are ao) by relating it to another sequence for which you already know the formula. (a) 4, 5, 7, 11, 19, 35, ... (b) 0, 3, 8, 15, 24, 35, … . . (c) 6, 12, 20, 30, 42, ... (d) 0, 2, 7, 15, 26, 40, 57, ... (Hint: These might be called "house" numbers, as in "house of cards")

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