Computer Basics MCQs – Certification Test 250

Disk Operating System (DOS) MCQs (Question 250) – App & e-Book Download

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MCQ 250: Operating system is also known as:

database
system software
hardware
printer

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Disk Operating System (DOS) MCQs App & e-Book – Computer Basics Learning Guide

Random Access Memory RAM Test 261

User Interface Concepts Test 262

Application Software Test 263

Measuring of Data Test 264

Presentation Basics Test 265

Internet Addresses Test 266

Spreadsheet Program Cells Test 267

Operating System Processes Test 268

Word Processing Menu Test 269

Free Disk Operating System (DOS) Book App – Download for iOS & Android

The App: Disk Operating System (DOS) MCQs App to Learn Disk Operating System (DOS) Notes, Computer Basics MCQs App, and DataBase Management System (MCS) MCQs App for IT continuing education.

The "Disk Operating System (DOS) MCQs" App: Free Computer Basics MCQs App Download (Android & iOS) to build online competence. Download App Store & Play Store Study Apps with all functionalities to review computer lessons.