Replacement | MCQs

Explanation

vacuum Tubes were replaced by Transistors.

Second-generation computers emerged with the development of Transistors.

The transistor was invented in 1947 by three scientists J. Bardeen, W.H Brattain and W. Shockley.

Explanation

daily use and  practice and following daily procedure enhances the life of IT equipment

Explanation

Answer:

C

ERSATZ: Manufactured or used as an alternative to others (of the product) and is usually inferior.

 Artificial: Manufactured or used as an alternative to others (of the product) and is usually inferior.

 Chaotic: In a condition of entire confusion and disorder.

Impromptu: Without planning, organizing, rehearsals

 Vague:   an  indefinite, uncertain, or unclear thing, character, or meaning

Explanation

Of the 22 provinces, 10 are classified as central, eight as eastern and four as western.

Seven provinces were selected at random: two central, two western and three eastern provinces.

Explanation