Advanced Computer Science MCQ — 35 Practice Questions with Answers

Explanation

Suman is 9th from the left. To minimize the total, place Akash to the left of Suman: if there are 10 persons, Akash is 8th from the right, i.e. 3rd from the left. The middle position between 3rd and 9th is 6th, where Nihal can stand. With 9 persons there is no exact middle position between Akash and Suman. Therefore, the minimum number is 10.

Explanation

In a K-map, an essential prime implicant is a prime implicant that covers at least one minterm not covered by any other prime implicant. Such a group must be selected in the simplified expression. Therefore option B is correct.

Explanation

Egocentrism is most associated with Piaget's early stages, especially the sensorimotor and preoperational stages. In these stages, children have limited ability to separate their own perspective from others' perspectives. Hence option A is correct.

Explanation

Option C is correct because in computer arithmetic CSA commonly stands for Carry Save Addition. It is an addition technique used to handle carries efficiently, unlike the unrelated phrases in options A and B.

Explanation

Computer architecture is commonly described through subcategories such as instruction set architecture, microarchitecture, and system design. Von Neumann is also a recognized architecture model, so every listed choice points to an architecture type or subcategory. Therefore option D is correct.