ICT for English Version

What is Bandwidth?

[M. Board-2023, Di. Board-2023, Y. Board-2023, Di. Board-2019, Ra. Ku. Ch. B. Board-2018, Ma. Board-2017, Ra. Board-2016]

The maximum data transfer capacity of a link or channel is called the bandwidth of that channel.

According to the board book - the amount of data transferred from one device to another per second is called bandwidth.

What is Nanotechnology?
[Ctg. Board - 2024, Cu. Board 2023, Dha. Board 2023, Ra. Di. Board 2017, Cu. Ja. Board 2016]

The technology of creating and using something with a size of 1 to 100 nanometers is called nanotechnology.

What is Biometric?
[D. Board 2023, B. Board 2019, D. Board 2016]

Biometric is a technology that uniquely identifies a person based on their physical or behavioral characteristics.

What is bandwidth?

What is data communication?

HSC ICT

Cloud Computing : Services & Advantages of Cloud Computing Cloud computing is internet based services given to the user such as: accessing the hardware and software resources remotely.

HSC ICT

Network Topology : Bus | Ring | Star | Tree | Mesh | Hybrid Geometric representation of how the computers of a network are connected to each other is known as network topology.

Why is Boolean algebra used?

Boolean algebra is a useful and clever way to simplify digital circuits used in microprocessors. It can help reduce the cost and raise the speed and efficiency of computers.

Digital circuits are made up of logic gates. Logic gates are a fundamental digital component that preform simple logical calculations. All logic gates have at least one input and exactly one output and can only take two states: 0 (no electrical current), and 1 (electrical current is present).

Multiple logic gates can be connected from output to input, forming complex pathways. When multiple logic gates work together, they can preform complex mathematical calculations, as well as remember data. They can be more than the sum of their parts.

There are seven logic gates:

AND gate
NAND gate
OR gate
NOR gate
XOR gate
XNOR gate
NOT gate

Each of these logic gates can preform its own unique logical operations and return an output state, depending on the states of its inputs.

AND

Both inputs of the AND gate must be on in order for the output to be on. Otherwise, the output is off. Hence, input A and input B must be on in order for the output to be on.

OR

The logic of the OR gate is just what you would expect. The output is only off if all of the inputs are off. If at least one input is on, then the output is on.

NOT

The NOT gate is the simplest logic gate. It has only one input and one output. The output is always not the input. For example, suppose the input of a NOT gate is on. Then the output of that same NOT gate must be off. If the input is off, then the output is on.

NAND

The NAND gate is identical to an AND gate with a NOT gate attached to the output. The output is off if and only if both inputs are on. Otherwise, if at least one input is off, then the output is on.

NOR

For the NOR gate, the output can only be on if both inputs are off. Otherwise, the output is off. Like the NAND gate, the NOR gate is essentially an OR gate whose output is connected to a NOT gate.

XOR

The XOR (exclusive OR) gate is the “glorified” version of the OR gate. The output of the XOR gate is on if and only if exactly one of the inputs is on. If both inputs are on, or if both inputs are off, then the output is off.

XNOR

The XNOR gate is the inverted version of the XOR gate. Both inputs must hold the same state in order for the output to be on.

Boolean algebra can be used to simplify logic circuits.

Why NAND gate is called Universal Gate? - Explain The gate which can implement all the basic gates (AND, OR, NOT) as well as any other gates and any circuit is called universal gate.

What type of number is 3D? Explain.

Explain 3-based number system.

Number System | Binary, Octal, Decimal, Hexadecimal Number The technique to represent and work with numbers is called number system. Decimal number system is the most common number system.

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