What is the significance of the screen number ''0'', Computer Engineering

Assignment Help:

What is the significance of the screen number '0'?

In "calling mode", the special screen number 0 (LEAVE TO SCREEN 0) causes the system to jump back to the last call level.  That is, if you have called a screen sequence with CALL SCREEN leaving to screen 0 terminates the sequence and returns to the calling screen.  If you have not known as a screen sequence, LEAVE TO SCREEN 0 terminates the transaction.

 


Related Discussions:- What is the significance of the screen number ''0''

Volatility of memory - computer architecture, Volatility of memory: ...

Volatility of memory: Non-volatile memory will received the stored information even if it is not continually supplied with electric power. It is appropriate for long-term

What are digital signatures and its uses, What are Digital Signatures and i...

What are Digital Signatures and its uses? A digital signature is an electronic quite than a written signature which can be used through someone to authenticate the identity of

What is testing, What is testing? List its types. Testing ensures that ...

What is testing? List its types. Testing ensures that the application is suitable for actual use and that it truthfully satisfies the requirements. Types are: Unit te

Convert, haw to convert context free grammar to regular grammar

haw to convert context free grammar to regular grammar

Illustrate code segment with example, CODE SEGMENT ; Set DS register ...

CODE SEGMENT ; Set DS register MOV AX, DATA     ;    boiler plate code to set the DS register so that the MOV DS, AX          ;    program can access the data segment.

Array, list advantages of array

list advantages of array

What is called dhcp, DHCP stands for? DHCP that is stands for Dynamic H...

DHCP stands for? DHCP that is stands for Dynamic Host Configuration Protocol.

Mathematical applications, The current 32 and 64 bit machines can represent...

The current 32 and 64 bit machines can represent integers of around 9 digits and 30 digits respectively, while various scientific and mathematical applications have to represent in

What is file scope, Explain File scope File scope: The variables and ...

Explain File scope File scope: The variables and functions with file scope appear outside any block or list of parameters and are accessible from any place in the translation

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd