Jamia Millia Islamia MCA Introduction Of Computers Previous Year Questions (PYQs)
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A computer-controlled device for training exercises that duplicates the work environment is called
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Solution
A simulator imitates real-world conditions for practice.
Second generation of computers consist of which of the following?
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Solution
The second generation of computers replaced vacuum tubes with transistors.
MPG is an extension of which type of files?
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Solution
MPG or MPEG files are compressed video formats.
How will this call assign values when the user input is `29␠w` (a space between 29 and w)?
scanf("%i%c", &i, &c);
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Solution
Solution:
`%i` reads an integer and **skips leading whitespace**, so it consumes `29`.
`%c` reads the **next character exactly as-is** (does **not** skip whitespace).
The next character after `29` is the space.
Therefore: $i=29$, $c=$ space `' '`.
C was originally developed in the 1970s by Dennis Ritchie at Bell Telephone Laboratories, Inc.,
which is an outgrowth of two earlier languages, called:
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Solution
Solution:
The C language was developed as an evolution of **BCPL** and its successor **B**.
C inherited features from both.
One of the most distinguishing features of computer systems is ...
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Solution
Computers are known for performing calculations with very high accuracy.
Hence, **Precision** is a key distinguishing feature.
Which of the following programming languages is considered a low-level language?
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Solution
Low-level languages are close to hardware. Assembly language directly corresponds to machine instructions.
Which of the following is true about machine language?
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Solution
Machine language consists of binary instructions executed directly by the CPU and is specific to a particular machine architecture.
Who originated the concept of programmable computer, and is considered as the ‘Father of the computer’?
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Solution
Charles Babbage designed the Analytical Engine, which laid the foundation for the modern programmable computer.
Which of the following is a high-level programming language?
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Solution
COBOL (Common Business-Oriented Language) is a high-level programming language.
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