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Q. Diffrence between CD-R vs CD RW?
A CD-R disc looks same as a CD. Though all pressed CDs are silver, CD-R discs are gold or silver on their label side and a deep cyan or green on recordable side. Silver/cyan CD-Rs were created since green dye used in original CD-R doesn't reflect shorter-wavelength red lasers used in new DVD drives. Cyan dye employed in CD-R will enable complete compatibility with DVD drives. CD-R disc has four layers in place of three for a CD. At the lowest level laser light suffices to detect absence or presence of pits or marks on recording surface to read the disc. At the higher level it can in fact burn marks in the surface.
CD-RW is relatively new technology however it has been gaining market share quite rapidly. The drives cost little more than CD-R drives since they can be used to play audio CDs and CD-ROMs as well as playing and recording CD-RW discs. A CD-RW disc comprises two more layers than a CD-R. The difference is the recordable layer is made of a special material, an alloy of several metals.
Iomega Corporation has announced a CD-RW drive, the Iomega 48*24*48 USB 2.0 external CD-RW drive. These drive features buffers under run protection that list user's record safely even whilst multitasking. It provides plug-&-play capability with Microsoft Windows and Mac OS operating systems and its digital audio extraction rate (DAE) of 48x permits users to rep or burn a 60-min CD in fewer than 3 min while maximum drive speed is obtainable only with hi-speed USB 2.0 connections.
What are the concerns for growth of e-commerce in India? Government as Facilitator for the growth of e-commerce has taken certain steps: Promotion of competitive teleco
Q. How codes represent data for scientific calculations? How codes are in fact used to represent data for scientific calculations? The computer is a discrete digital device
Q. How can we Resize Layout Cells? To precisely design a page, you can set size of cells you add in a document. You can reposition cells in the page as well. 1. Click o
explain djnz instruction of intel 8051 microcontroler
Desktop based IT application is present but the mobile is future. All the applications that were made to work only on counter top are being ported to mobile. In the coming 10 years
Q. Define Logical data as operand data type? Every word or byte is treated like a single unit of data. Whenever an n-bit data unit is considered as comprising n 1-bit items of
Q. Block Format and Disk Layout on CD-ROM? A typical block format is displayed in Figure (a). It comprises the subsequent fields: Sync: Sync field identifies beginning o
Simplify the given expressions using Boolean postulates Y = (A + B)(A‾ + C)(B + C) Ans. Y = (A + B)(A‾ + C)(B + C) = (A A‾ + AC + B A‾ + BC) (B + C) = (AC + B A‾ + BC) (B + C)
Operand is that part of an instruction which specifies the address of source or result or the data itself on which the processor is to operate. Operand types typically give operand
N number of XNOR gates is linked in series that is the N inputs (A0, A1, A2......) are specified in the subsequently way: A0 and A1 to first XNOR gate and A2 and O/P of First XNOR
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