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  • 2 answers

Maan Kaur Babbar 6 years, 8 months ago

computers are mainly classified according to their size and efficiency of the work Based on operation: Analog Digital Hybrid Based on configuration: Micro Mainframe Mini Super

Titli Sarkar 6 years, 8 months ago

On the basis if size - micro computer , macro computer
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Maan Kaur Babbar 6 years, 8 months ago

Soft copy refers to the document displayed on the screen while hardcopy refers to the document which is in printed form
  • 3 answers

Rahul Tech Ray 6 years, 8 months ago

Common operating machine purposely used for technological and educational research.

Ravi Kumar 6 years, 8 months ago

Commonly Operator Machine Particular User Trade Education Research

Maan Kaur Babbar 6 years, 8 months ago

Common oriented machine particularly used for trading and educational research
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Maan Kaur Babbar 6 years, 8 months ago

Speed ,accuracy, reliability, versatility ,reduction to manpower ,reduction to paper

Rohit Kumar 6 years, 8 months ago

Accuracy, speed, diligence, reliability, storage capacity, multitasking, connectivity
  • 1 answers

Tanuj Sharma 6 years, 8 months ago

Communication mean being able to tell with other people .
  • 1 answers

Yogita Ingle 6 years, 8 months ago

The closeness of a measured value to the actual value of the object being measured is called as accuracy of a substance. For instance, if in lab you obtain a weight measurement of 3.2 kg for a given substance, but the actual or known weight is 10 kg, then your measurement is not accurate.

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Samarth Rana 6 years, 8 months ago

Secondary memory and primary memory

Madhav Bhardwaj 6 years, 8 months ago

Primary memory and secondry memory

Abhijit Kumar 6 years, 8 months ago

Secondary and primary

Abhijit Kumar 6 years, 8 months ago

Random Access Memory (RAM) – It is also called as read write memory or the main memory or the primary memory. ... Read Only Memory (ROM) – Stores crucial information essential to operate the system, like the program essential to boot the computer.
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Abhijit Kumar 6 years, 8 months ago

Importance of Internet safety in between variety of information, personal data and property protection is really important. Internet safety is more important for users while accessing online banking services and shopping. Global computer networks provide us various communication and information exchange facilities
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Ansh Tyagi 6 years, 8 months ago

It is a programming language.

Meenal Khandelwal 6 years, 8 months ago

Phyton is a language of C++ programme.

Kaushik Chakraborty 6 years, 8 months ago

Hi shubham i am joy
  • 2 answers

Maan Kaur Babbar 6 years, 8 months ago

Functions of computer are as follow It receives the input from the user Processes it with the given set of instruction Stores the data User get the desired output

Kaushik Chakraborty 6 years, 8 months ago

1) It help us to do our work faster
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Priyanshi Shrivastava 6 years, 8 months ago

A plotter is a printer designed for printing vector graphics. Instead of printing individual dots on the paper, plotters draw continuous lines. This makes plotters ideal for printing architectural blueprints, engineering designs, and other CAD drawings
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Maan Kaur Babbar 6 years, 8 months ago

optical mouse does not have any mechanical moving parts the laser technology is used to protect the meaning of the mouse is more efficient expensive than the mechanical and opto- mechanical

Nisha Verma 6 years, 8 months ago

It uses a laser to detect the movement of the mouse. With the absence of any mechanical moving parts, it has a very quick and accurate response in comparison of the mechanical and opto mechanical mouse.
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Maan Kaur Babbar 6 years, 8 months ago

There are three types of monitors cathode ray tube ,liquid crystal display and light emitting diode

Yogita Ingle 6 years, 8 months ago

CRT (cathode ray tube) monitorsThese monitors employ CRT technology, which was used most commonly in the manufacturing of television screens. With these monitors, a stream of intense high energy electrons is used to form images on a fluorescent screen. A cathode ray tube is basically a vacuum tube containing an electron gun at one end and a fluorescent screen at another end.
While CRT monitors can still be found in some organizations, many offices have stopped using them largely because they are heavy, bulky, and costly to replace should they break. While they are still in use, it would be a good idea to phase these monitors out for cheaper, lighter, and more reliable monitors.
LCD (liquid crystal display) monitorsThe LCD monitor incorporates one of the most advanced technologies available today. Typically, it consists of a layer of color or monochrome pixels arranged schematically between a couple of transparent electrodes and two polarizing filters. Optical effect is made possible by polarizing the light in varied amounts and making it pass through the liquid crystal layer. The two types of LCD technology available are the active matrix of TFT and a passive matrix technology. TFT generates better picture quality and is more secure and reliable. Passive matrix, on the other hand, has a slow response time and is slowly becoming outdated.
The advantages of LCD monitors include their compact size which makes them lightweight. They also don’t consume much electricity as CRT monitors, and can be run off of batteries which makes them ideal for laptops.
Images transmitted by these monitors don’t get geometrically distorted and have little flicker. However, this type of monitor does have disadvantages, such as its relatively high price, an image quality which is not constant when viewed from different angles, and a monitor resolution that is not always constant, meaning any alterations can result in reduced performance.
LED (light-emitting diodes) monitorsLED monitors are the latest types of monitors on the market today. These are flat panel, or slightly curved displays which make use of light-emitting diodes for back-lighting, instead of cold cathode fluorescent (CCFL) back-lighting used in LCDs. LED monitors are said to use much lesser power than CRT and LCD and are considered far more environmentally friendly.
The advantages of LED monitors are that they produce images with higher contrast, have less negative environmental impact when disposed, are more durable than CRT or LCD monitors, and features a very thin design. They also don’t produce much heat while running. The only downside is that they can be more expensive, especially for the high-end monitors like the new curved displays that are being released.

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Sia ? 4 years, 7 months ago

Basis Internal Memory External Memory
Nature Ram is volatile, but ROM is non-volatile in nature Non-volatile in nature
Other Name It is also known as Primary or main memory It is also known as secondary memory
Physical Appearance Looks like chips and is attached to the motherboard inside the computer Look like a storage device or disk that are portable and connects to every computer
Connectivity Connects internally by inserting chips or when the machine is manufacture Connect through data cable or externally to the network
Data Storage The Data is stored temporarily to access files faster The Data is stored permanently for long-term
 Working Memory It is a working memory It is not a working memory
Large Data It cannot store extensive data It saves a broad amount of data
Portability Non-portable Portable
Example Ram & Rom Hard Disk & Optical Drive
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Nisha Verma 6 years, 8 months ago

RAM- RAM has storage cells meant for read and write operations. As these cells can be accessed directly, these are called random access memory. RAM temporarily stores data while the CPU is working on it. Since it is a volatile memory, the data is lost on loss of power supply. RAM is of two types: dynamic (DRAM) and static (SRAM). SRAM keeps the data as long as the power is on. It also gives a fast access to data. SRAM is primarily used for registers (small amounts of memory) in CPU and fast cache memory. DRAM is smaller and much slower than SRAM. It also stores data for a very short time. Therefore, data stored In DRAM needs to be refreshed periodically even when the power is on. Because of its smaller size, DRAM is generally used for the main memory of the computer. ROM- ROM is a non-volatile memory. Data is not lost on lossing power supply. however once data is written on a rom, we cannot write on it. rom store programs that are important for a computer operations such as the bootstrap program which start a computer by loading and operating system and the basic input output system which addresses external devices in a personal computer. There are three different types of ROMs. PROM- programmable ROM. The information recorded on this cannot be erased. EPROM- erasable programmable ROM. Exposure to UV light can erase the information recorded on eprom. EEPROM- electrically erasable programmable ROM. Electrical signals can erase the information recorded on EEPROM.

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