Question # 2:

Applications Done in Assembly Language:
-GAMES

example: Atari 800,Mega Drive/Genesis,Commodore64,Amiga,Atari ST,ZX Spectrum,Super Nintendo Entertainment System,Sega Saturn and the popular NBA Jam(1993)
-DEVICE DRIVERS -a computer program allowing higher-level computer programs to interact with a hardware device.
-EMBEDDED SYSTEMS - a special-purpose computer system designed to perform one or a few dedicated functions,often with real-time computing constraints.
example: Telecommunications systems,Transportation systems,Consumer Electronics,Medical Equipments.
-WRITING COMPUTER VIRUSES AND BOOTLOADERS
Computer viruses-a computer program that can copy itself and infect a computer without permission or knowledge of the user.
Bootloaders
-SYSTEM'S BOOT ROM
-REVERSE ENGINEERING
-MS-DOS Operating System
-IBM PC SpreadSheet

Assembly language was preferred language for its size,speed and reliablity. According to some industry insiders, the assembly language was the best computer language to use to get the best performance out.The Application is more efficient if made with the assembly language.