1.	Android is ______ ?
	Operating system
	Application
	Interface
	all of these
	Answer: Operating system Explanation: Android is Operating system for mobile phones.
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2.	A pixel is ?
	a computer program that draws picture
	a picture stored in the secondary memory
	the smallest resolvable part of a picture
	a virus
	Answer: the smallest resolvable part of a picture Explanation: A pixel is the smallest resolvable part of a picture.
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3.	One of the following statements is not true for BUFFERS command ?
	increasing numbers of BUFFERS can speed program execution, but only to a certain extent
	the more buffers that exist the more sectors can be stored In memory; hence fewer accesses of disk are necessary
	The BUFFERS command is used to establish the number of disk buffers set up by MS-DOS during booting
	All of the above
	Answer: All of the above Explanation: All of the above
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4.	Special effect used to introduce slides in a presentation are called __________ ?
	Effects
	Custom animation
	Transition
	Animation
	Answer: Transition Explanation: Transition effects are used to introduce slides in a presentation. Transition effects are visual effects that are applied to the slide when it is being changed from one slide to another. They can be simple effects, such as dissolving or fading, or more complex effects that involve objects moving on and off the screen. Custom animation (b) and animation (d) refer to specific effects that are applied to individual objects on a slide, such as text or graphics. Preset animation (e) is similar to custom animation, but the effects are pre-made and can be easily applied to objects on a slide. Therefore, (c) transition is the best answer to the question.
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5.	The operating system, that is self-contained in a device and resident in the ROM is ?
	Batch Operating System
	Real-time Operating System
	Embedded Operating System
	Mutli-Processor Operating System
	Answer: Embedded Operating System Explanation: The operating system that is self-contained in a device and resident in the ROM is called an "Embedded Operating System". An embedded operating system is designed to run on embedded systems, which are special-purpose computer systems designed to perform a specific task. These operating systems are typically self-contained in the device and are stored in read-only memory (ROM). Therefore, the correct option is (c) Embedded Operating System.
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6.	Which of the following controls the manner of interaction between the user and the operating system ?
	user interface
	language translator
	platform
	screensaver
	Answer: user interface Explanation: User interface controls the manner of interaction between the user and the operating system.
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7.	. _______ is a set of keywords, symbols, and a system of rules for constructing statements by which humans can communicate the instructions to be executed by a computer ?
	A computer program
	A programming language
	An assemble
	Syntax
	Answer: A programming language Explanation: A programming language is a set of keywords, symbols, and a system of rules for constructing statements by which humans can communicate the instructions to be executed by a computer.
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8.	A(n) _______ is device that electronically processes data, converting it to information ?
	algorithm
	computer
	software
	program
	Answer: computer Explanation: A computer is device that electronically processes data, converting it to information.
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9.	The word processor used by DOS to write the programs or instructions ?
	WordStar
	WordPad
	Notepad
	EDIT
	Answer: EDIT Explanation: The word processor used by DOS to write programs or instructions is (d) EDIT.
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10.	Which of the following is NOT a famous operating system ?
	Windows Vista
	Mac OS X
	Linux
	Virtual Box
	Answer: Virtual Box Explanation: Virtual Box is not an operating system, but rather a virtualization software that allows users to run multiple operating systems on a single computer. The other options are all famous operating systems: Windows Vista, Mac OS X (now called macOS), Linux, and Sun OS (now known as Oracle Solaris).
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