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FPGA
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CPLD
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1.
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FPGA
contains up to 100,000 of tiny logic blocks
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CPLD
contains only a few blocks of logic that reaches up to a few thousands.
|
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2
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FPGAs
are considered as ‘fine-grain’ devices
|
CPLDs
are ‘coarse-grain’ devices.
|
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3
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FPGAs
are great for more complex applications
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CPLDs
are better for simpler ones.
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4
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FPGA
is a RAM-based digital logic chip
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CPLD
is EEPROM-based.
|
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5
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FPGAs
are more expensive
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CPLDs
are much cheaper.
|
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6
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Delays
are less predictable in FPGA than CPLD
|
Delays
are much more predictable in CPLD
|
9.Explain the backing up and restoring files in Linux. Ans. 1. Backing-up and restoring files is done only by system administrator. 2. Because of built-in features, Linux doesn’t allow users to back-up their own files to removable disks. 3. It’s not enough to know that performing backup is your job, you need to formulate a strategy to making sure your system is not vulnerable to sudden disastrous disruptions. 4. If you have a high capacity tape drive and several good set of restore disks you can take backup every few days. 5. If you are managing a system with scores of users, you might find it more sensible to back up accounts and system configurations. 6. Only you can decide ‘what’ to backup, you need to decide ‘how frequently’ to perform backups, whether to maintain series of incremental backup. 7. You should maintain perfect backups without ever needing to restore to them, this means encouraging users to keep multiple copies of their important files in their ho...
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