Question

Describe the following important

components of a computer

a.Memory

b.Operating system

c.Program

d.Data and information​

Answer 1

Answer:

a)Memory refers to the processes that are used to acquire, store, retain, and later retrieve information. There are three major processes involved in memory: encoding, storage, and retrieval. Human memory involves the ability to both preserve and recover information we have learned or experienced.

b)An Operating System (OS) is an interface between a computer user and computer hardware. An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers

c)A computer program is a collection of instructions that can be executed by a computer to perform a specific task. A computer program is usually written by a computer programmer in a programming language. ... A collection of computer programs, libraries, and related data are referred to as software.

d)Information is a processed, organised data presented in a given context and is useful to humans. Data is an individual unit that contains raw material which does not carry any specific meaning. Information is a group of data that collectively carry a logical meaning. Data doesn't depend on information.

Answer 2

Answer:

(A) Memory is the faculty of the brain by which data or information is encoded, stored, and retrieved when needed. It is the retention of information over time for the purpose of influencing future action.

(B) An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.

(C) A program (noun) is executable software that runs on a computer. It is similar to a script, but is often much larger in size and does not require a scripting engine to run. Instead, a program consists of compiled code that can run directly from the computer's operating system.

(D) Data is unorganised raw facts that need processing without which it is seemingly random and useless to humans. Information is a processed, organised data presented in a given context and is useful to humans. Data is an individual unit that contains raw material which does not carry any specific meaning.

Explanation:

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