Explanation

#include <stdio.h> is a compiler directive used to include the standard input-output library before compilation.

It tells the compiler to insert the contents of the specified file into the program.

Explanation

Blu-ray disk is a type of optical storage that uses laser technology to read and write data.

It stores high-definition video and large data.

Unlike floppy disks and hard disks which are magnetic storage devices.

Explanation

"Will be" is a helping (auxiliary) verb used to form the future continuous tense.

It supports the main verb "taking" to indicate an ongoing future action.

Explanation

A switch operates at the Data Link Layer (Layer 2) of the OSI model.

It uses MAC addresses to forward data frames within a local network.

Explanation

1. Simplex: Data flows in one direction only (e.g., keyboard to computer).
2. Half-Duplex: Data can flow both ways, but not at the same time (e.g., walkie-talkies).
3. Full-Duplex: Data flows both ways simultaneously (e.g., telephone conversations).

Explanation

Paint is a basic tool used for drawing and graphic designing.

It allows users to create, edit, and color images easily.

Explanation

A computer processes and stores all data in digital form, i.e., binary (0s and 1s).

Even analog data is converted into digital signals before processing.

Explanation

CAD (Computer-Aided Design) and CAM (Computer-Aided Manufacturing) are used together to design and produce products.

This technology improves accuracy, efficiency, and automation in manufacturing.

Explanation

Networks are typically classified into four main types based on distance (geographical coverage):

1. PAN (Personal Area Network) – Very short distance (e.g., Bluetooth, USB connections).
2. LAN (Local Area Network) – Limited area (e.g., home, office, or school network).
3. MAN (Metropolitan Area Network) – City-wide coverage (e.g., ISP networks in a city).
4. WAN (Wide Area Network) – Large-scale, global reach (e.g., the Internet).

Explanation

In indirect speech, "Will you" becomes "if you would" after a reporting verb like "asked."

"Tomorrow" changes to "next day" in indirect speech.