". VdoTips: COMPUTER FUNDAMENTAL PRACTICE SET 22

COMPUTER FUNDAMENTAL PRACTICE SET 22

196. Back propagation is a learning technique that adjusts weights in the neural network by propagating weight changes.
(A). Forward from source to sink No
(B). Backward from sink to source from position p
(C). Forward from source to hidden nodes
(D). Backward from since to hidden nodes

(C). 197. Match the following: a. TTL 1. High fan out b. ECL 2. Low propagation delay c. CMOS 3. High power dissipation Code: a b c
(A). 3 2 1
(B). 1 2 3
(C). 1 3 2
(D). 3 1 2

(D). 198. ______ is an “umbrella” activity that is applied throughout the software engineering process.
(A). Debugging
(B). Testing
(C). Designing
(D). Software quality assurance

(C). 199. Identify the operation which is commutative but not associative?
(A). OR
(B). NOR
(C). EX-OR
(D). NAND

(C). 190. Given a Relation POSITION (Posting No, Skill), then query to retrieve all distinct pairs of posting-nos. requiring skill is
(A). Select p.posting-No, p.posting-No From position p where p.skill= p.posting-No
(B). Select p1-posting-No, p2.posting-No from position p1, position p2 where p1.skill=p2.skill
(C). Select p1.posting-No, p2.posting-No from position p1, position p2 where p1.skill=p2.skill and p1.posting-No< p2.posting-No
(D). Select p1.posting-No, p2.posting-No from position p1, position p2 where p1.skill=p2.skill and p1.posting-No=p2.posting-No

(C).