Computer Awareness Study Material : We have provided you lots
of free study material on computer awareness and on other sections of bank PO
and bank Clerk exams in this website which you can visit. Here we are providing
you some very important points on Computer Awareness.
- The earlier
computers, which were massive in size, were based on vacuum tubes.
- Early
computing machines, like the ENIAC, were actually meant to assist the
armed forces.
- The printers
in pre-1950s were punch cards.
- An improvement
on the ENIAC, which pioneered 'stored program', was made possible with the
help of the mathematician John von Neumann.
- Before the
1950s, computers were mostly owned by universities and research labs.
- The
B-programming language was developed by Ken Thompson.
- Famous people,
associated with the ENIAC, EDVAC, UNIVAC computers are Eckert &
Mauchly.
- The 1st
commercially produced and sold computer (1951) was UNIVAC.
- IBM was
provided software for PCs by Microsoft.
- Time-sharing,
teletyping, was associated with mainframe computers.
- The transformation
from heavy computers to PCs was made possible using microprocessors.
- The first
microprocessor was developed in 1971 by Intel.
- The term
'micro' (extremely small) denotes 10-6m.
- The Harvard
student, who chose to write computer programs and dropped studies, was
Bill Gates.
- A Pentium 4
(P-4) employs roughly 40 million transistors.
- Mark-1,
Apple-1, and collossus were initial desktop computers.
- Binary digits
are briefed as bit.
- A collection
of bits is called byte.
- C++, is a
computer language.
- The process of
eliminating programming faults is called debugging.
- Starting up on
operating system is called booting.
- A program used
to browse the web is called browser.
- An error in
software designing which can even cause a computer to crash is called bug.
- Click and double-click
are achieved using the mouse.
- Java, C,
FORTRAN, Pascal and BASIC are computer programming languages.
- The device
which sends computer data using a phone line is called MODEM.
- 'Worm' and
'virus' are actually programs.
- A 'file' is a
unit of information.
- A megabyte has
106(million) bytes.
- A small,
single-site network is called LAN.
- A processor
that collects several data and sends them over a single line is called
bridge.
- 'Nano' stands
for one billionth parts.
- The number of
bit patterns using an n-bit code is 2n.
- The part of a
computer that works with the data/programs is called CPU.
- To convert a
binary number to a decimal, we have to express it in power of 2.
- www stands for
World Wide Web.
- Mathematics
employed in computers is called Boolean algebra.
- A collection
of 8 bits is called byte.
- The first home
computer (1977), which was sold in millions of units was Apple II.
- 'PARAM' is a
supercomputer.
- A website
containing periodic posts is called blog.
- Http stands
for hyper text transfer protocol.
- The unwanted
or non-requested emails are called "spam".
- A computer
framed to give various network services is called server.
