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There are various limitations of primary memory like limited capacity which is its not enough to store a very large volume of data and volatility which is when power is turned off data stored is lost. So Secondary storage system should provide large storage capacities, low cost per bit as well as medium access times. Magnetic media have been used for these purposes for a long time. Current magnetic data storage devices take form of floppy disks in addition hard disks and are used as secondary storage devices. However audio and video media either in compressed form or uncompressed form need higher storage capacity than other media forms and storage cost for these kinds of media is considerably higher.
Optical storage devices provide a higher storage density at a lower cost. CD-ROM can be used as optical storage device. Many software companies provide both operating system and application software on CD-ROM today. This technology has been main catalyst for development of multimedia in computing since it is used in multimedia external devices like video recorders and digital recorders (Digital Audio Tape) that can be used for multimedia systems.
Removable disk, tape cartridges are other forms of secondary storage devices are used for back-up purposes having higher storage density and higher transfer rate.
Explain the working of light pens Light pens still exist, but due to several disadvantages they are not as popular as other input devices that have been developed. For example,
What is Repository Info. Systems? It is a tool with which you can create data stored in the ABAP/4 Dictionary available
In order to suppress the leading zeroes of a number field the which keywords is used ? NO-ZERO.
The no of decimal places for output can be describes within a write statement. This statement is right. Write:/ decimals 2.
At a shop of marbles, packs of marbles are prepared. Packets are named A, B, C, D, E …….. All packets are kept in a VERTICAL SHELF in random order. Any numbers of packets with thes
Home Entertainment: E-commerce has led to HOME ENTERTAINMENT. The video aspect usually includes a large-screen and/or high definition television or a projection system.
Design two matlab algorithms for enlarging the 256x256 images into 512x512 images by using bilinear and bicubic interpolations a) Evaluate the interpolated images with the
What are the simplest way to restrict the users The simplest way to restrict the users to peek inside the internals of the Web site is to use firewalls, where the information c
Software Characteristics: Software is engineered and developed. Software can't "wear-out". Most of the software continues to be routine built. The term in
Differentiate between Transport and Session layers of OSI model. OSI Model Transport Layer The transport layer utilizes the services provided through the network layer, as
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