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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.
Java Database Connectivity (JDBC) With two different types of technologies available in the market today viz., the Windows and the Java technologies developed by the Microsoft
Q. Example of processor arrangements? !HPF$ PROCESSORS P (10) This initiates a group of 10 abstract processors assigning them combined name P. !HPF$ PROCESSORS Q (4, 4)
Interrupts Interrupt-request line o Interrupt-acknowledge signal o Interrupt-request signal Interrupt-service routine o May have no relationship t
The Signalling connection control part (SCCP) and message transfer part (MTP) together are referred to as (A) Signal Switching Points (SSPs) (B) Signal Transfer Points
Q. What is CODE SEGMENT? The logical program segment is termed as code segment. When linker links a program it makes a note in header section of program's executable file defin
An assembler is? Ans. An assembler is Machine dependant.
Consider the Hire Assistant problem. We interview n candidates and always hire the best qualified so far. Let n = 5 for our example. Find the probabilities that we hire exactly 1 t
How are problems of clock skew minimized? Clock skew, when done right, can also benefit a circuit. This can be intentionally introduced to reduce the clock period, at that the
Define Frequency Division - Application of Flip Flop? When the pulse waveform is applied to the clock input of a J-K flip-flop that is connected to toggle, the Q output is a s
A datapool is a source of variable test data that scripts can draw from during playback
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