Input Device
As it’s name implies, input devices are devices which can send signals to the CPU. That means, the device we use to send or enter a signal or data to CPU are called input device, such as; keyboard, mouse, microphone etc.
What are the basic four parts of computer. Describe.
No matter how big it is or how it is used, every computer is a part of a system. A complete computer system consists four basic parts, such as; (a) Hardware (b) Software (c) Data (d) User (a) Hardware: The mechanical devices that make up the computer are called hardware. Hardware is any part of … Read more
Write short notes on desktop computers, workstations, notebooks, tablet PCs, handheld PCs and smart phone
Desktop Computers: The most common type of computer is desktop computers. It has been designed to sit on a desk. Today’s desktop computers are much more powerful than the others and used for an amazing array of task. Not only do these machines enable people to do their jobs with greater ease and efficiency, but … Read more
What do you mean by modern computer?
Modern Computer: In basic terms, computer is an electric device that process data, converting it into information which is useful to people. Any computer regarding of its type is controlled by programmed instructions which give the machine a purpose and tell it what to do. The word ‘computer’ comes from the word ‘compute’ which means … Read more
Compare between the working procedure of a computer and a human being
Comparison Between the Working Procedure of a Computer and a Human Being: There are some similarities between the working procedure of a human being and a computer. The main deference is that human has a sense using which it takes decisions and perform a task by itself, whereas a computer need instructions or data to perform … Read more
Differences among various types of digital computers in respect of their size, cost and working efficiency
There are 4 kinds of digital computers in respect of their size, cost and working efficiency;such as (a) Microcomputer (b) Minicomputer (c) Mainframe Computer and (d) Super Computer (a) Microcomputer: ‘Mirco’ means very small. Thus as it’s name implies, microcomputers are small in size and built with microprocessors. It has CPU, ROM, RAM storage and … Read more
“Computer can be classified into 2 or 3 ways depending on it’s implementation or working principle” – Explain
Depending on implementation computers can be classified into 2 ways, such as, (a) General Computer (b) Special Computer (a) General Computer: General purpose computers are computers where user is not limited to a set of initially installed programs and their function. Rather than this, user can install many other programs to perform various function depending … Read more
What is Software Piracy or Copyright Infringement of Software? What should be done to prevent software piracy?
Software Piracy or Copyright Infringement of Software: Using, modifying, distributing, selling a software without proper license or permission or right is termed as software piracy. A software should only be used as per its license. When a software is covered with copyright laws and gets used in a way that violates one or more conditions, … Read more
10 Characteristics of Third (3rd) Generation of Computers
Third Generation of Computer (1965 – 1971)
Use of integrated circuits (IC) started the third generation of computer. IC reduced the size, price, use of electricity etc. IC also facilitates speed and reliability of computers. Development of IC enabled organizing the whole central processing unit in single chip. Use of monitor also started in this generation. Operating system was improved to a new level and high speed line printers were in use. Followings are some of the characteristics of third generation.
What are peripheral devices? What are the types of peripheral devices? Give Example.
Peripheral Device: Those devices which are not required or essential for a computer system to boot and run are called peripheral devices. A computer system has four categories of computer hardware among which mostly all I/O devices are peripheral devices. Though there are other devices which are both input and output devices and most of … Read more