fundamental & concepts of computer Practice Questions Answers Test with Solutions & More Shortcuts

fundamental & concepts of computer PRACTICE TEST [3 - EXERCISES]

concepts set 1

concepts set 2

concepts set 3

Question : 1

A personal computer (PC) is a ________computer:

a) Super

b) Main Frame

c) Micro

d) None of The Above

Answer: (c)

A personal computer is a small and low-cost, intended for personal use (or for use by a small group of individuals). 

The term personal computer describes desktop computers (desktops). It is often shortened to the acronym PC or microcomputer, 

whose meaning in English is a personal computer.

Question : 2

The basic goal of computer process is to convert data into __________.

a) information

b) tables

c) files

d) graphs

e) None of these

Answer: (a)

The basic goal of the computer process :

As a result, data processing refers to the act of converting raw data into usable information.

The data we enter is unprocessed, and the computer transforms it into valuable data.

Data manipulation by a computer is called data processing. It entails the translation of raw data into a machine-readable format, data flow via the CPU and memory to output devices, and output formatting or modification.

 

Question : 3

Computers excel at

a) performing the same action(s) over and over the same way.

b) keeping track of large numbers of small details.

c) providing creative solutions to problems.

d) working in fractions of seconds.

e) All of these

Answer: (e)

Excel is a tool for organizing and performing calculations on data. It can analyze data, calculate statistics, generate pivot tables, and represent data as charts or graphs.

Question : 4

The benefit of using computers is that ________.

a) Computers are very fast and can store huge amounts of data

b) Computers provide accurate output even when input is incorrect

c) Computers are designed to be inflexible

d) All of these

e) None of these

Answer: (a)

The benefit of using computers is that computers are very fast and can store huge amounts of data.

Magnetic tape drives, floppy disk drives and hard disk drives are all examples of backing storage devices. The Main Memory contains two types of memory chips called ROM and RAM which hold program instructions and data. Computers store and process data using binary numbers. 

There are two types of storage devices used with computers: a primary storage device, such as RAM, and a secondary storage device, like a hard drive. Secondary storage can be removable, internal, or external storage. 

Computers have both advantages and disadvantages. On one hand, they allow us to access the wealth of information that is available on the internet. They also allow us to analyze massive amounts of data very quickly, saving both time and money.

Question : 5

A thread is a______ :

a) lightweight process where the context switching is low

b) lightweight process where the context switching is high

c) is used to speed up paging

d) None of The Above

Answer: (a)

A thread is usually defined as a lightweight process because an operating system (OS) maintains smaller data structures for a thread than for a process.

IMPORTANT computer mcq EXERCISES

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