Computer Basics Practice Test 105

ISO and OSI Models Quiz Questions and Answers PDF - 105

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ISO and OSI Models Questions and Answers PDF Download: Quiz 105

MCQ 521: Layer of computer OSI model which provides services that directly supports user application is

A) application

B) presentation

C) transport

D) physical

MCQ 522: The MS-DOS operating system is a

A) command line interface

B) single user interface

C) single tasking interface

D) all of these

MCQ 523: Input device which has monitor screen covered with the flexible layer is

A) touch screen

B) light pen

C) digitizer

D) mouse

MCQ 524: In a computer, ALU can perform

A) addition

B) subtraction

C) multiplication

D) all of these

MCQ 525: Main purpose of computer secondary storage device is to

A) calculate data

B) temporary store data

C) permanently store data

D) output of information

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