Which program runs first after booting the computer and loading the GUI?

Operating System - Quiz(MCQ)

Authentication

File Manager

Desktop Manager

Windows Explorer

Correct Answer : Authentication

Explanation : The authentication program is run first after booting the computer and loading the GUI. Authentication is a process of verifying the person or device. For example, when you log in to Facebook, you enter a username and password.

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The principles of structured programming forbid the use of

GOTO

DO-WHILE

WHILE-DO

IF-THEN-ELSE

Correct Answer : GOTO

A compiler for a high-level language that runs on one machine and produces code for a different machine is called is

cross compiler

one pass compiler

multipass compiler

optimizing compiler

Correct Answer : cross compiler

A hardware device that is capable of executing a sequence of instructions, is known as

CPU

ALU

Processor

Correct Answer : Processor

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