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Q. What is System Prompt?
On loading (or Switching to) DOS, the screen displays C :\>, C>, A :\> or a similar message. The message displayed by DOS is called DOS Prompt or System Prompt. This prompt serves two functions:
1. It point towards that DOS is ready to accept a command from the keyboard.
2. It displays the default drive name. For example, C>, C :\>, indicates that drive C: is a default drive. DOS will use the default drive for every file operations if the user does not identify any drive name with commands.
Q. Salient features of direct addressing mode? A number of salient points about this technique are: This scheme offers a limited address space since if address field has
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Construction of j-k using 4-bit shift register
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Does a numeric mailbox identifier have any advantage over a mnemonic identifier? Explain. Several software systems permit the system administrator to select mailbox names, wher
Expand CPI-C. CPI-C= Common Program Interface Communication.
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Problem 1 (a) List and describe the characteristics of mainframes, minicomputers and microcomputers. (b) Briefly describe what is meant by electronic commerce and what b
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