Recent questions tagged input-output

The write operation in I/O operation does the following-Transfer data from I/O device to memoryTransfer data from memory to I/O deviceTransfer data from CPU register to m...

The right sequence of CPU program to input data will be:Read status registerCheck flag bitRead Data RegisterTransfer data to memoryChoose the correct answer from the opti...

Suppose in a multiprogramming environment, the following C program segment is executed. A process goes into I/O queue whenever an I/O related operation is performed. Assu...

An I/O device transfers data at a rate of 10MB/s over a 100MB/S bus. The data is transferred in 4KB blocks. If the processor operates at 500MHz, and it takes a total of 5...

Question : Consider a Device which operates with 20 MBPS operating speed.The device is operating on Programmed control mode of I/O and it has to transfer data of 20 B fro...

// C/C++ program to demonstrate return value// of printf()#include <stdio.h>int main(){ long int n = 123456789; printf("While printing "); printf(", the value re...

Match $\text{List-I}$ and $\text{List-II}$:$$\begin{array}{llll} & \textbf{List I} && \textbf{List II} \\ \text{(a)} & \text{Isolated I/O} & \text{(i)} & \text{same set...

Match $\text{List I}$ with $\text{List II}$$\begin{array}{llll} & \text{List I} & & \text{List II} \\ (A) &\text{Handshaking} & (I) & \text{I/O interface informs the CPU}...

Match $\text{List I}$ with $\text{List II}$$\begin{array}{llll} & \text{List I} & \text{List II} \\ (A) & \text{Input} & (I) & \text{Mouse} \\ (B) & \text{Output} & (II) ...

Match the following w.r.t Input/Output management :$\begin{array}{ll} &{\text{List – I}} & & {\text{List – II}} \\ \text{a.} & \text{Device controller} & \text{i.} & \te...

Write a program to implement the three disk-arm scheduling algorithms. Write a driver program that generates a sequence of cylinder numbers $(0–999)$ at random, runs the ...

If a CPU’s maximum voltage, $V,$ is cut to $V/n,$ its power consumption drops to $1/n^{2}$ of its original value and its clock speed drops to $1/n$ of its original value....

Describe two advantages and two disadvantages of thin client computing?

It has been observed that a thin-client system works well with a $1$-Mbps network in a test. Are any problems likely in a multiuser situation? (Hint: Consider a large num...

A thin-client terminal is used to display a Web page containing an animated cartoon of size $400\: \text{pixels} \times 160\: \text{pixels}$ running at $10\: \text{frames...

Assuming that it takes $2\: nsec$ to copy a byte, how much time does it take to completely rewrite the screen of an $80\: \text{character} \times \text{25}$ line text mod...

One way to place a character on a bitmapped screen is to use BitBlt from a font table. Assume that a particular font uses characters that are $16 × 24$ pixels in true RGB...

The designers of a computer system expected that the mouse could be moved at a maximum rate of $20\: cm/sec.$ If a mickey is $0.1 \:mm$ and each mouse message is $3$ byte...