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Tag Archives: Input Output Systems

Input in C++
Basic
The cin object in C++ is used to accept the input from the standard input device i.e., keyboard. it is the instance of the class… Read More
cpp-input-output
Input and Output
Input Output Systems
Picked
C++
C++ Programs
cout in C++
Basic
The cout object in C++ is an object of class iostream. It is defined in iostream header file. It is used to display the output… Read More
cpp-input-output
Input and Output
Input Output Systems
Picked
C++
C++ Programs
cin in C++
Easy
The cin object in C++ is an object of class iostream. It is used to accept the input from the standard input device i.e. keyboard.… Read More
cpp-input-output
Input and Output
Input Output Systems
Picked
C++
C++ Programs
Output in C++
Easy
In this article, we will discuss the very basic and most common I/O operations required for C++ programming. C++ runs on lots of platforms like… Read More
cpp-input-output
Input Output Systems
Picked
C++
C++ Programs
Operating Systems | Input Output Systems | Question 5
Put the following disk scheduling policies results in minimum amount of head movement. (A) FCFS (B) Circular SCAN (C) Elevator Answer: (C) Explanation: Circular scanning… Read More
Input Output Systems
Operating Systems-Input Output Systems
Operating Systems Questions
Operating Systems | Input Output Systems | Question 4
Medium
Normally user programs are prevented from handling I/O directly by I/O instructions in them. For CPUs having explicit I/O instructions, such I/O protection is ensured… Read More
Input Output Systems
Operating Systems-Input Output Systems
Operating Systems Questions
Operating Systems | Input Output Systems | Question 5
From amongst the following given scenarios determine the right one to justify interrupt mode of data-transfer: Source: nptel (A) Bulk transfer of several kilo-byte (B)… Read More
Input Output Systems
Operating Systems-Input Output Systems
Operating Systems Questions
Operating Systems | Input Output Systems | Question 2
Hard
We describe a protocol of input device communication below. a. Each device has a distinct address b. The bus controller scans each device in sequence… Read More
Input Output Systems
Operating Systems-Input Output Systems
Operating Systems Questions
Operating Systems | Input Output Systems | Question 5
Medium
Which of the following is major part of time taken when accessing data on the disk? (A) Settle time (B) Rotational latency (C) Seek time… Read More
Input Output Systems
Operating Systems-Input Output Systems
Operating Systems
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