(CAR) Computer Flashcards
Foxpro is a
Computer Language (FoxPro was a text-based procedurally oriented programming language and database management system (DBMS), and it is also an object-oriented programming language, originally published by Fox Software and later by Microsoft, for MS-DOS, Windows, Macintosh, and UNIX)
Super computer was invented by
J. H. Van Tassel
(but, Seymour Roger Cray (September 28, 1925 – October 5, 1996) was an American electrical engineer and supercomputer architect who designed a series of computers that were the fastest in the world for decades, and founded Cray Research which built many of these machines. Called “the father of supercomputing,” )
The special files of DOS are
- COM
- EXE
- BATCH
______ is the unit to express the memory of a computer
Byte
FORTRAN?
A computer programming language is mainly used for scientific research
INTERNET is
Computer based databank and communication highway
_______ was the first company in the world to manufacture computers for commercial use
Remington Rand (was an early American business machines manufacturer, best known originally as a typewriter manufacturer and in a later incarnation as the manufacturer of the UNIVAC line of mainframe computers.)
When was the first commercial computer was invented
The UNIVAC I (Universal Automatic Computer I) was the first commercial computer produced in the United States. It was designed principally by J. Presper Eckert and John Mauchly, the inventors of the ENIAC.
IBM was known as ______ before the year 1924
Computer Tabulating & Recording Company
____ computer was the first to use the concept of stored programs
Mark I
______ was the first to distribute mouse as a standard component with personal computers
Apple Computer
______ intel microprocessor started the PC revolution
8088
‘Intel’ stands for ?
Integerated Electronics
Computer power is measured in MIPS, it stands for ?
Million Instruction Per Second
How many generations of computer till now
the five generations of computers and the advances in technology that have led to the development of the many computing devices that we use today
A single worksheet cotains
256 columns
PC wasa originally a trade name of
IBM
GW BASIC
It is an earlier version of BASIC
It stands for ‘Gee Whiz’
Dr Ted Hoff
- In 1971, he put all the elements of a computer processor on a single chip slightly larger than one square inch.
- The result of his efforts was the intel 4004, the world first commercially available microprocessor
The power of super computer is measured in terms of
FLOPS
Floating Point Operations per second
_____ was the first truly electronic computer
ENIAC
A computer virus is
A small malicious program written in machine language
Who created World Wide Web (WWW)
Tim Berner
(also known as TimBL, is an English engineer and computer scientist, best known as the inventor of the World Wide Web. He is currently a professor of Computer Science at the University of Oxford. )
The First sentence uttered by Neil Armstrong upon reaching moon in 1969 was, “One small step for man, a giant step for the mankind.” These words came through on which make a transponder?
Motorolla
______ Virus which originated from Lahore, Pak in January 1986; which can infect only 5.25 inch floppies.
Brain Virus
______, the professor who coined the name virus for self replicating programs.
Fred Cohen (Frederick B. Cohen (born 1956) is an American computer scientist and best known as the inventor of computer virus defense techniques. He gave the definition of "computer virus".)
Microprocessors were introduced first time in
4th gen computers
Hybrid computer is
Combination of analog and digital computer
the interface b/w user and computer is
Programming
BASIC stands for
Beginner’s All-purpose symbolic instruction code
The output of a compiler is
Object Code
WORM stands for
Write once read many
Volatile Memory?
Random Access Memory
An algorithm is
Generic type (a process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.)
1Kb is equal to
2^10 bytes
Cache memory is
- Faster than the main memory
- smaller than the main memory
Silicon Valley
Situated in USA, California
The First computer Virus was created in
The first IBM PC virus in the “wild” was a boot sector virus dubbed (c)Brain, created in 1986 by the Farooq Alvi Brothers in Lahore, Pakistan, reportedly to deter unauthorized copying of the software they had written.
______ computer virus which effects computer programmes written in Java
Strange Brew (The Strange Brew virus is only capable of spreading when an infected Java application file is launched.)
______ company launched the geostationary communication satellite Telstra.
AT&T
_____ computer company was bron in a garage at 367, Addison Avenue
Hewlett Packard
Cyber Space
- the term refers to networked digital environments, esp advavnced systems that produce an illusion of reality.
- Coined by William Gibson
A terabyte represents
1 trillion bytes
1 byte consists of
8 bits
WAN
a network that covers small geographic area or single or group of building
A device which connects multiple nodes to the network is
A Hub
ISDN stands for
Integrated Service Digital Network
SNA stands for
System Network Architecture
it is an example of De Facto Protocol
Bar Codes symbols are read by
Bar code reader by using Photoelectric Scanner
MICR stands for
Magnetic Ink Character Reader
Famous Virus is
Firday 13
(The virus Jerusalem, also known as Friday the 13th, was created in Israel in 1988 to celebrate the 40th anniversary of the creation of the Jewish state)
FAST stands for
Federation against software theft
The short cut key for renaming file and folder is
F2
The shortcut key to delete a file without sending to recycle bin is
Shift+Delete
The part that control all parts of computer is
CU
1024 bytes equal to
One kilo Bytes
____, a country uses more internet
China
____ Muslim scientist is considered as one of the founder of computers
Al Khawarizimi
Biggest company of computer
IBM
Biggest software company
Microsoft
Computer Languages?
- Algol
- BASIC
- COBAL
- 4GL
- 3GL
- JAVA
- Pascal
- C
- C++
- VB
