Question Discussion & Solution

Key Points

Thus, the correct match is A (III), B (II), C (IV), D (I)

The pattern obtained when the transparent sheet is folded is,

Hence, option 4 is the correct answer.

Concept

The javac command in Java compiles a program from a command prompt.

It reads a Java source program from a text file and creates a compiled Java class file.

Syntax

javac filename [options]

For example, to compile a program named Abc.java, use this command:

javac Abc.java

The correct answer is Bit.

Key Points

• Bit 
  • ​A bit or binary digit is the smallest unit of measurement used to quantify computer data.
  • It contains a single binary value of 0 or 1.
  • A single bit can define a boolean value of True(1) or False(0).
  • Generally, data transfer rates are measured in bits.
•  Binary Number System
  • ​It contains two unique digits 0s and 1s.
  • It is also known as the Base 2 system.
  • The binary numbers 0 and 1 are called a bit.
  • The computer always calculates input in binary form.
  • Gottfried Wilhelm Leibniz developed the binary system

Additional Information

• Byte
  • ​A byte is a unit of digital information that most commonly consists of eight bits.
  • A byte is the number of bits used to encode a single character of text in the computer.
• Nibble 
  • ​A nibble is a four-bit aggregation or half an octet.
  • it is also known as half-byte or tetrad.
• BCD
  • ​In computing and electronic systems, binary-coded decimal is a class of binary encodings of decimal numbers where each digit is represented by a fixed number of bits.
  • It is implemented in the instruction set of machines.

The correct answer is Ajmer.

Key Points​​

• Luni river:
  • The river originates at the confluence of two streams Saraswati and Sagarmati near Govindgarh of Ajmer district.
  • It flows in Ajmer, Nagaur, Pali, Jodhpur, Barmer. Jallore and drains in Rann of Kutch.
  • The water is fresh till Balotars of Barmer after that its water becomes salty.
  • The main tributaries of Luni joining from the left are the Lilri, the Guhiya, the Sukri, the Jawai, the Bandi (Hemawas), the Khari Bandi, the Sukri Bandi, and the Sagi.
  • Jojri is the only major tributary that joins the Luni river from the right.
  • The Dantiwada dam and the Sipu dam are constructed on the Luni river.
  • The main irrigation scheme in the Luni basin is Jawai dam, Jaswant Sagar dam, Hemavas, Sardar samand.

Additional Information

• Jaipur:
  • ​​Banganga, Bandi, Dhund, Morrel, Sabi are the river that flows in Jaipur.
  • Jaipur is also known as the 'Pink City', of India.
• Udaipur:
  • ​Banas, Ahar, Berach, Wakal, Gomti, Som, Jakham, Sabarmati, Sei are the river that flows in Udaipur.
• Nagaur:
  • ​​Luni, Mantha, Harsor are the rivers that flow in Nagaur.