Concepts Set 1 Detailed Explanation And More Example

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.

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.

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.

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.