Exercise ::
Computer Fundamentals
1. Which unit is responsible for converting the data received from the user into a computer understandable format?
A. Output Unit B. Input Unit C. Arithmetic & Logic Unit D. Memory Unit
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Answer: Option B
Explanation:
The Input Unit converts the data, which the user enters into a language which the computer understands, i.e. it converts the data into binary format.
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2. The only language which the computer understands is ?
A. C Language B. BASIC C. Assembly Language D. Binary Language
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Answer: Option D
Explanation:
The Computer understands only binary language which is written in the form of 0s & 1s.
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Answer: Option B
Explanation:
A bit is defined as the smallest unit of data in a computer system. It is used as a short form of Binary Digit. A bit can have only two values 0 or 1.
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Answer: Option B
Explanation:
A nibble is defined as a unit of data which comprises of 4 binary digits or half of 8-bit byte. Therefore, 1 nibble = 4 bits.
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5. Which of the following describes the correct format of an input instruction?
A. INPUT 82 B. INP 82 C. 82 INP D. IN 82
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Answer: Option D
Explanation:
The input/output instructions are used to transfer information between external peripherals and the CPU. The correct format of an input instruction is: IN 8-bit port address.
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