Computer Fundamental Miscellaneous - Study Mode

[#891] Which of the following is also known as SOROBAN
Correct Answer

(B) Abacus

Explanation

Solution: The soroban also known as Abacus, is an abacus developed in Japan. It is derived from the ancient Chinese suanpan, imported to Japan in the 14 th century.

[#892] A repository for data, usually covering specific topic is
Correct Answer

(C) Databank

Explanation

Solution: In telecommunications, computing, and information architecture, a data bank or databank is a repository of information on one or more subjects – a database – that is organized in a way that facilitates local or remote information retrieval and is able to processes a large number of continual queries over a long period.

[#893] The disadvantage of dynamic RAM over static RAM is
Correct Answer

(C) need to refresh the capacitor charge every once in two milliseconds

Explanation

Solution: The disadvantage of dynamic RAM over static RAM is needed to refresh the capacitor charge every once in two milliseconds. The advantage of a DRAM is the simplicity of the cell - it only requires a single transistor compared to around six in a typical static RAM, SRAM memory cell.

[#894] Which of the following is true concerning personal computers?
Correct Answer

(C) The electronic spreadsheet has been a primary reason for their popularity

Explanation

Solution: The correct answer is Option C: The electronic spreadsheet has been a primary reason for their popularity Electronic spreadsheets like VisiCalc and Lotus 1-2-3 were among the first "killer applications" that drove the rapid adoption of personal computers in business environments. They allowed users to perform complex calculations, automate financial tasks, and manage data in ways that were previously time-consuming or impractical. This utility and versatility made personal computers indispensable tools in offices and significantly contributed to their widespread use. Options A and D are incorrect because personal computers did not eliminate the need for mainframes or minis; instead, they complemented them. Option B is misleading since personal computers have been more influential in business and education sectors than just homes. Therefore, Option C is the most accurate statement regarding the rise in popularity of personal computers.

[#895] Which of the following machines are characterised by electronic tube circuitry, delay line, rotating or electrostatic memory.
Correct Answer

(A) First generation

Explanation

Solution: First generation machines are characterized by electronic tube circuitry, delay line; rotating or electrostatic memory. The ENIAC (Electronic Numerical Integrator and Computer) was the direct forefather of the modern computer because the problems associated with its operation led to the development of the latter.