Computer Mcqs

Computer Mcqs | One Liner

• Half byte = 1nibble = 4 bits
• Bit means Binary Digit
• 1 byte = 8 bits
• 1 mega byte = 1048576 bytes
• 1 kilo byte = 1024 bytes
• A combination of 16 bits are called word.
• A terabyte = 1 trillion bytes
• Our PC belongs to 4th generation
• Fred Cohen coined the word computer virus
• First computer virus was created in 1970 at Bell laboratories
• WORM means Write Once Read Many
• Power of a super computer is measured in FLOPS (Floating Point Operations per Second)
• WWW/http: (hypertext transfer protocol) was created by Tim Burner Lee in 1992
• Intel means Integrated Electronics
• 1 worksheet contains 256 columns
• G.W.Basic G.W stands for Gate Way
• Super Computer was created by J.H.Van Tassel
• CORBA is Common Object Request Broker Architecture
• URL is Uniform or Universal Resource Locator
• Intel invented RAM chip
• Information stored on disk as series of bumps on its shiny side.
• DVDs hold more information than CDs. They use smaller bumps and have two reflective layers
• Recordable CDs do not have bumps. There are patches of color on disk to change the reflected laser light
• In 1951 Univac – 1, the world‘s first commercial computer was designed by John Mauchly and J. Presper Eckert. They built ENIAC, the first electronic computer in 1946
• In 1968 mainframe was built.
• In 1976 first supercomputer the Cray-1 was developed
• In 1981 IBM produce the IBM PC.
• In 1998 IBM made quantum computer
• Super computers uses parallel processing
• In 1974, computer games were introduced.