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a. When a user presses a lower case an upper case shows. b. when a user presses either upper case or  lower case the program will display the opposite which  means that the program detects whether a Upper or  Lower case was pressed.

a. When a user presses a lower case an upper case shows. b. when a user presses either upper case or  lower case the program will display the opposite which  means that the program detects whether a Upper or  Lower case was pressed.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Edit this existing program to make and create 2 programs:
a. When a user presses a lower case an upper case shows.

b. when a user presses either upper case or 
lower case the program will display the opposite which 
means that the program detects whether a Upper or 
Lower case was pressed.

 

 

 

; Author: DAVID PELED ; displays upper case to lower case Enter to exit . model small .386 ; to support 32 bits .stack 100h ; Stack with 100h locations 256(10) %D .data ; to declare variables ; variables to be called here .code main proc L1: mov ah, 1 ; enter key int 21h cmp al, 13 ; if CR then end JZ short L2 mov dl, al ; save the key entered to dl ADD DL, 20h ; add 20h mov ah, 6 ; displays the content of dl int 21h 32(10) jmp L1 L2: mov ax,4C00h ; return to DOS ends to program int 21h main endp end main
Transcribed Image Text:; Author: DAVID PELED ; displays upper case to lower case Enter to exit . model small .386 ; to support 32 bits .stack 100h ; Stack with 100h locations 256(10) %D .data ; to declare variables ; variables to be called here .code main proc L1: mov ah, 1 ; enter key int 21h cmp al, 13 ; if CR then end JZ short L2 mov dl, al ; save the key entered to dl ADD DL, 20h ; add 20h mov ah, 6 ; displays the content of dl int 21h 32(10) jmp L1 L2: mov ax,4C00h ; return to DOS ends to program int 21h main endp end main
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