1.	Which language is directly understood by the computer without translation program ?
	BASIC language
	Assembly language
	High level language
	Machine language
	Answer: Machine language Explanation: Machine language is directly understood by the computer without the need for a translation program. Machine language is the lowest-level programming language that consists of binary code (0s and 1s) that the computer's processor can directly execute. It is also known as the "native language" of the computer.
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2.	Which of the following is not true about computer files ?
	They are a collection of data saved in a storage medium
	Every file has a filename.
	A file extension is established by the user to indicate the computer on which it was created.
	All files contain data.
	Answer: A file extension is established by the user to indicate the computer on which it was created. Explanation: The statement (c) is not true about computer files. A file extension is not established by the user to indicate the computer on which it was created. A file extension is a set of characters that follows the last period in a filename, which indicates the type of file and what program should be used to open it. The file extension is typically assigned by the operating system or the application that creates the file. Therefore, the correct answer is (c).
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3.	Which of the following is an example of a binary number ?
	6AH1
	100101
	005
	ABCD
	Answer: 100101 Explanation: The binary number system only uses two digits, 0 and 1, to represent all numbers. Therefore, the only option that is a binary number is (b) 100101.
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4.	Which of the following is true for the octal system ?
	It needs less digits to represent a number than in the binary system.
	It needs more digits to represent a number than in the binary system.
	It needs the same number of digits to represent a number as in the binary system
	It needs the same number of digits to represent a number as in the decimal system.
	Answer: It needs more digits to represent a number than in the binary system. Explanation: It needs more digits to represent a number than in the binary system.
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