Pascal Interview Questions 2020- Coding Tag

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PASCAL Interview
Questions

• BY Coding Tag

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• In this presentation you will learn about latest
  frequently asked Interview questions related to
  Pascal.
• More info related to Pascal Interview questions
  and answers from coding tag

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What are the difference between Modern and
Standard Pascal ?

• Modern Pascal
• Uses more security while programming or coding
• Provides backward compatibility by the use of
  functions and procedures.
• Provides definitive type of compatibility
• It allows the removal of the limited length of
  the symbol

• Standard Pascal
• Using less security while programming or coding.
• Doesnt provide backward compatibility .
• Pascal does not remove the symbol length limit
• Enables objects to be incrementally modified and
  extended based on previously defined objects.

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What is the lifetime of IP Pascal ?
Unlike many commercial products,IP Pasal is not
likely made according to the hit software
mentality Like, If I am its first customer
because of this i wont be able to create a phone
support for any product IP Pascal will be
supported by email, website, and use net forum
without charging or restricting any existing
services of the customer. Emails will be
answered within 48 hours. Because of this support
model does not require any large or huge number
of staff and firing them as not needing them for
a period of time when demand decreases, there is
no plans to limit or charge for support.
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How Do I Make Exe File With Turbo Pascal ?

• In Turbo Pascal , in the compiler menu ,
• Select COMPILE TO MEMORY.
• Open the menu again,
• Select COMPILE TO DISK.
• Select COMPILE.
• And it will create the file XXX.EXE, where XXX is
  the name of your .PAS file .

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How is a string declared in pascal ?
String in Pascal is a sequence of characters with
a size defined .those characters involved numeric
, letters, blanks,special characters or a
combination of all . String objects depending
upon the system and implementation. var
greetings string organisation string10
message pchar begin greetings 'Hello
' message 'Good Day!' writeln('Enter the
name of an Organisation') readln(organisation)

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What is a NIL Pointers in Pascal ?
It's a well good to assign a NIL value to a
pointer variable if programmer is not knowing
exact address to be assigned. NIL Pointer is
done at a time of variable declarations Aponter
that is assigned NIL points to nowhere. program
exPointers var number integer aptr
integer y word begin aptr nil
y addr(aptr) writeln('the value of
aptr is ', y) end.
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Name some of the memory management functions in
Pascal .

• Name
• Addr
• Assigned
• CompareByte
• CompareChar
• CompareDWord
• CompareWord
• CSeg
• Dispose
• DSeg
• FillByte
• FillChar
• FillDWord

• Descriptions
• Return address of variable
• Check if a pointer is valid
• Compare 2 memory buffers byte per byte
• Compare 2 memory buffers byte per byte
• Compare 2 memory buffers byte per byte
• Compare 2 memory buffers byte per byte
• Return code segment
• Free dynamically allocated memory
• Return data segment
• Fill memory region with 8-bit pattern
• Fill memory region with certain character
• Fill memory region with 32-bit pattern

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