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What is the default file extension created by notepad?

.doc

.html

.txt

.tif

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The operating system creates _____ from the physical computer

Virtual space

Virtual computers

Virtual device

None

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Which of the following resources must be protected by the operating system?

I/O

Memory

CPU

All of the above

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Which of the following is default mode for Windows to start?

Command Prompt

Safe Mode

Normal Mode

None of above

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If you hard disk is partitioned into 3 drives, the number of recycle bin for that hard disk is

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MCQ

The Memory Buffer Register (MBR)

is a hardware memory device which denotes the location of the current instruction being executed.

is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.

contains the address of the memory location that is to be read from or stored into.

contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".

None of the above

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category More Computer Fundamentals Topics

Data Communication and Networking

Miscellaneous or General

Computer Basics

Computer Softwares

History and Generations

CPU and its components

Computer Languages

Computer Hardware

Input Devices

Output Devices

Computer Memory

Digital Logic Gate

Number System

Computer Codes

Operating System

Disk Operating System (DOS)

Database Systems

Computer Security and Viruses

Mixed

Computer Awareness

Files and its types

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