Unit 2A Operating Systems: 100% Verified Questions and Correct Answers (Complete Guide)

UNIT 2A 0PERATING SYSTEM WITH
100% VERIFIED QUESTIONS AND
ANSWERS

hardware - ANSWER✔✔✨---- physical

- does the work

- examples?



software - ANSWER✔✔✨---- lines of code which provide instructions to hardware

- easily modified/edited/corrupted

- system software (for the computer)

- application software (for the users)



operating system - ANSWER✔✔✨---- example of system software

- platform for applications to run

- instructions and drivers for hardware



user interface - ANSWER✔✔✨---- GUI (desktop, window manager, icons, task bar, etc.)

- command prompt (CMD, PowerShell, Terminal, etc.)



security - ANSWER✔✔✨---- password protection

- file encryption

- limited privileges



file system - ANSWER✔✔✨---- organizes data into files, folders, directories, etc.

- segregates user files from system files

- search function and command set (copy, past, delete, etc.)

, - GUI



networking - ANSWER✔✔✨---- provides network connectivity

- incorporates standard network protocols (Ethernet, TCP/IP, etc.)

- GUI for user management



Update - ANSWER✔✔✨---- a mechanism to keep itself updated and patched

- GUI for update management

- automated process or user controlled



kernel - ANSWER✔✔✨---- the core of the OS

- loads first when OS starts

- primary responsibility is resource management

> CPU control and access

> allocates RAM

> I/O device communication



program execution - ANSWER✔✔✨---- compatible environment for applications

- connects applications to hardware

- bridge between applications and users



OS vs BIOS - ANSWER✔✔✨---- OS is system software

- BIOS is firmware

> is BIOS an OS?

> stored on ROM

> programs are small and seldom updated

> basic hardware support for computer during pre-boot

> CMOS user menu for BIOS setting