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Q. What are common reason for error massages while copying file?
While copying files with copy, DOS in encounters any error, it displays a suitable error massage. The common reason for error massages are:
1. Sours or target drive is not ready.
2. Target (destination) disk is write-protected.
3. Target disk is not formatted.
4. Unable to read files from the source disk.
5. Insufficient disk space on the target disk.
Q. Operation codes used in assembly instructions? Now let's describe various operation codes needed for this machine so that we can translate High level language instructions t
Q. Basic Architecture of computer system? Replacing the ALU and CU (i.e., CPU) of Figure by a microprocessor, and storing instructions and data in the same memory, one arrives
Q. Main drawbacks of CD-ROMs? The main drawbacks of CD-ROMs are: It is read only thus can't be updated Access time is longer than that of magnetic disks. Very
What is booting? When the power is turned on, the OS has to be loaded into the main memory which is taken place as part of a process known as booting. To initiate booting a tin
External storage systems A number of different types of external memory devices are available now. Some of these are considered below (hard drives haven't been mentioned as th
Multiprogramming is a rapid switching of the CPU back and forth among processes.
Explain about the Flash memories These are re-writable non-volatile memories evolved from EEPROM; they are generally connected to the USB port on the computer enabling a user t
What are the essential elements of Electronic Data Interchange. The necessary elements of Electronic Data Interchange (EDI) are: The use of an electronic transmission me
Some of the uses of append query are as follows ? You will save time by appending data to an existing table rather than manual update. ? Appending files based on particular
Which of the memories stores the most number of bits ? Ans. most number of bits stores in 32M x 8 As 2 5 x 2 20 = 2 25 Therefore 1M = 2 20 = 1K x 1K = 2 10 x 2 10
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