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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.
If the input to T-flipflop is 100 Hz signal, the final output of the three T-flipflops in cascade is ? Ans. The final output of the three T-flip-flops in cascade is 12.5 H
Define deadlock. A process requests resources; if the resources are not available at that time, the method enters a wait state. Waiting processes might never again change state
Discuss the risks of having a single root user and how more limited management abilities can be given to others users on Linux/UNIX systems
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Suppose that the working register W contains the value 0x4F, the register FSR contains the value 0x2B; the register with address 0x2B contains 0x2F and the instruction ADDWF INDF,
When the user is inputting commands into your shell, it should properly handle delete and backspace. When one of these characters is detected, you will need to remove one character
One's Complement Operator: ~ The one's complement operator, sometimes called the "bitwise complement" or "bitwise NOT" operator, produces the bitwise one's complement of its op
Explain the terms topology used in LANs. (i) LAN topologies: This network topology is a physical schematic that shows interconnection of the several users. There are four fun
Efficiency The effectiveness of pipeline can be measured the same as the ratio of busy time span to total time span counting the idle time. Let c be clock period of a pipeline
Q. Hardware required for superscalar processing? For applying superscalar processing a number of special hardware should be offered that is discussed below: • The necessity
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