Hard | MCQs

Explanation

The modem is short for "Modulator-Demodulator."

A modulator-demodulator or modem is a computer hardware device 

A modulator-demodulator or modem converts data from a digital format into a format .

Explanation

An integrated circuit is a set of electronic circuits on one small flat piece  of semiconductor material, usually silicon.

Large numbers of tiny MOSFETs  integrate into a small chip. 

First generation (1940 - 1956)  vacuum tubes as a major piece of technology.

 The ENIAC is  example of 1st generation computer.

Second generation (1956 - 1963) use of transistors.

Third generation (1964 - 1971)  use of Integrated circuits.

Fourth generation (1972 - 2010) use of the microprocessor

Fifth generation (2010 to present) use Artificial intelligence

Explanation

The brain of the computer is the CPU

CPU stands for the central processing unit

The first commercial CPU was invented by Italian Physicist Federico Faggin

The first CPU was the Intel 404 released by Intel in 1971.

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The five basic parts of a computer are:

1. the motherboard
2. central processing unit (CPU)
3. input-output units
4. memory (RAM and ROM)
5.  storage (SSD or HDD)
   

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AGM 07.5.23

Explanation

ROM (Read-Only Memory)

• Stores non-modifiable data and instructions permanently.
• Non-volatile memory used for essential computer instructions.

RAM (Random Access Memory)

• Volatile memory used for temporary data storage.
• Supports active processes and operations on a computer.

Explanation

The main electronic component used in first-generation counterparts was Vacuum Tubes and Valves

Leo is called the first-generation computer

First-generation (1940 - 1956)  vacuum tubes as a major piece of technology. 

The ENIAC is an example of 1st generation computer.

The time span of first-generation electronic computers was 1943 to 1959

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Second generation (1956 - 1963) use of transistors.

Third generation (1964 - 1971)  use of Integrated circuits.

Fourth generation (1972 - 2010) use of the microprocessor

The fifth generation (2010 to present) use Artificial intelligence

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ND7-5-2023

Explanation

A set of instructions that operates various parts of the Computer Hardware is called Software

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ND10-1-2023

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RY18012023

Explanation

The hard disk was invented on September 13, 1956, by an IBM team led by Rey Johnson

The commercial usage of hard disk drives (HDD) began in 1957

Rey Johnson (considered as “father” of the disk drive).

A computer hard disk drive is a non-volatile data storage device.

Hard Disk is an example of Magnetic Storage

Explanation

Hardly means سختی سے

"Hardly" means seldom or rarely.

Its opposite is "often ", which means frequently or many times.

Explanation

Hertz (Hz) is the unit used to measure processor speed.

It indicating how many cycles per second the processor can execute.

Modern processors are measured in:

• Megahertz (MHz) - millions of cycles per second
• Gigahertz (GHz) - billions of cycles per second

Explanation

An integrated circuit is a small chip of semiconductor material, typically silicon, that contains numerous tiny MOSFETs.

The five generations of computers:

1. First Generation (1946-1959 or 1940-1956): Vacuum tube-based technology (e.g., ENIAC).
2. Second Generation (1959-1965 or 1956-1963): Transistor-based technology.
3. Third Generation (1965-1971 or 1964-1971): Integrated circuit-based technology.
4. Fourth Generation (1972-1980): VLSI microprocessor-based technology.
5. Fifth Generation (1980-present): ULSI microprocessor-based technology, with a focus on artificial intelligence.