Input Output | MCQs

Explanation

In linguistics, syntax is the study of how words and morphemes combine to form larger units such as phrases and sentences.

Explanation

Explanation

cin >> age; is the correct syntax in C++ to take input from the user and store it in the variable age.

The >> operator is used with cin to extract the input value into the variable.

Explanation

"R+" mode opens an existing file for both reading and writing.

The file must already exist; it does not create a new file if one doesn’t exist.

Explanation

In C, getchar() reads a single character from standard input but requires pressing "Enter" to submit the input.

The input is buffered, meaning it waits for the newline (n) before processing the character.

Explanation

Parallelogram represents the input and output symbols in a flowchart; it also represents data in general.

AGM 17-12-2022

Explanation

Three types of bus are used.

Address bus: carries memory addresses from the processor to other components such as primary storage and input/output devices. 

Data bus : carries the data between the processor and other components.

Control bus: carries control signals from the processor to other components.

Explanation

Input and Output are used as a medium of communication between the external environment and the CPU. 

Explanation

Input/Output has Direct Access to main memory.

Explanation