What do you understand by structured programming?
Structured programming is a technique for organising and coding computer programs in which a hierarchy of modules is…
What is sequential logic?
A sequential logic is a circuit whose output depends on current input and previous values stored in the flip flops i…
What do you mean by secondary memory?
Secondary memory is mass storage devices used to store data permanently. Example: Hard Disk
Explain how one can recall a previously used DOS command by pressing some key?
In DOS F9 key is used to visit history from where they can be taken and executed, when F9 is pressed system will ask c…
What is a global variable?
Global variables are those variables which are visible to all functions. Any function can read/modify them. Global var…
What is the purpose of exit command?
This command is used to quit a program. When exit command is executed, the current program is terminated.
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