Ø
World’s First Electronic Digital
Computer?
World’s First Electronic Digital
Computer?
ENIAC (Electronic Numerical Integrator and
Computer)
Computer)
Local Name: Giant Brain
‘ENIAC’ was the father of the electronic digital programmable computer. It was 30 tons heavier and covers 1800
square feet (CA. 167 square meters) floor area. ENIAC consumed huge amount of
electricity. It used large amounts of vacuum tubes, relay, transistor and
inductors. Basically, it made for the U.S. Military use during the Second World
War.
square feet (CA. 167 square meters) floor area. ENIAC consumed huge amount of
electricity. It used large amounts of vacuum tubes, relay, transistor and
inductors. Basically, it made for the U.S. Military use during the Second World
War.
Ø
World’s First PC Operating System?
World’s First PC Operating System?
MS-DOS (Microsoft Disk Operating System)
In 1981, Microsoft introduced personal
computer disk operating system called MS-DOS.
computer disk operating system called MS-DOS.
Ø
Who was the Inventor of Computer Mouse?
Who was the Inventor of Computer Mouse?
Dr. Douglas C. Engelbart was the inventor
of the first computer mouse that unveiled in 1968.
of the first computer mouse that unveiled in 1968.
Ø World’s First Commercial Intel Microprocessor?
Intel 4004 was the first microprocessor
introduced in 1971. It was only 16 pin microprocessor used in Japanese
calculator.
introduced in 1971. It was only 16 pin microprocessor used in Japanese
calculator.
Ø World’s First ‘QWERTY’ Typing Keyboard?
The first QWERTY keyboard used in a Type Writer was developed
by Christopher Sholes in 1868.
by Christopher Sholes in 1868.
Ø First IBM Personal Computer?
The term ‘Desktop
Computer’ came with IBM 5150 was introduced in August 1981. It was game changer
in personal computer or business market.
Computer’ came with IBM 5150 was introduced in August 1981. It was game changer
in personal computer or business market.
Ø Who Invented First Commercial Computer Magnetic Hard
Disk Drive?
Disk Drive?
The IBM introduced
first commercial computer Hard Disk Drive in 1957 used in IBM 305 RAMAC.
first commercial computer Hard Disk Drive in 1957 used in IBM 305 RAMAC.