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First Generation:
1942-1955
Vacuum Tubes or Valves
Ø used vacuum tubes as electronic circuit
Ø magnetic drum for primary storage
Ø mercury delay lined for memory
Ø punch-card used as secondary storage
Ø machine level programming used
Ø operating speed was used in terms of millisecond
Mark-I, UNIVAC,
ENIAC
etc.
Second Generation:
1955-1964
Transistor
Ø magnet core memory used as internal storage
Ø magnet tapes used as secondary storage
Ø little bit faster I/O devices
Ø high level language used as programming
Ø processing speed measured in microsecond
IMB 1401,
ICL 2950/10
etc.
Third Generation:
1964-1975
IC(Integrated circuits)
Ø semi conductor memory used as primary storage
Ø magnetic discs were used as secondary storage
Ø massive use of high level language
Ø processing speed increased to nanosecond and even faster
IBM 360 series,
UNIVAC 9000
etc.
Fourth Generation:
1975-1990
VLSI or Microprocessor
Ø massive use of magnetic and optical storage devices with capacity more than 100 GB
Ø advancement in software and high level language
Ø use of 4th generation language(4GL)
Ø operation speed increased beyond picoseconds and MIPS (Millions of Instructions Per Second)
IBM PC,
Pentium PC,
Apple/Macintosh
etc.
Fifth Generation:
1990+
Bio-Chips
Ø AI will make computer Intelligent and knowledge based
Ø very high speed, PROLOG (programming language)
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Draw a table showing generation of computers and their characteristics?
GENERATION TABLE period (1944_1959) (1959_1965) (1965_1970) very small then laptop smaller than much smaller 10 times faster then then 2nd 3rd gener size of computer very huge first computer generation speed of computer low speed 10 times 100 times E PROM more then S RAM faster then 3rd generatin first generation computer main memory magnetic ROM PROM DRAM tape RAM storage device punched magnetic magnetic floppy disk disk storage device tape card and magnetic tape
What is a table used for in a computer?
Lookup.
Is it proper to use upper case letters to display CIRCA?
If your entire sentence or phrase is also in upper case, then yes.For example:Wooden Table, c. 1850Wooden Table, circa 1850WOODEN TABLE, CIRCA 1850
Two common designs for a desktop computer?
The two common designs for a desktop computer are tower desktops and table desktops. Choice between these depends on work area space availability.
How has the laptop made life easier?
Now you can carry your computer with you, and use it almost everywhere. Earlier, it mostly stayed under a table.
How the data is viewed in a JSP in the form of table?
You can display data in Tabular format in a JSP page using the HTML <Table> Tag. You can even assign dynamic values to the table using JSP Scriptlets. <% %>
What does the table auto format tool do?
It applies a pre-defined format to the table.
Which option is used to format table?
table only
When innerting a table into a document you must specify the of the table?
Format
A sample of table of specification?
Sample format of Table of Specification
What is segment in computer graphics?
segments are the form of array like table which stored the commands in order to form the display in the screen.it has 4 parts 1.index 2.size 3.position 4.visibility commands 1 go to display file interpreter and them goes to display file n thn to segment table........... sandeep uniyal
What do you need for a science project display?
On a Science Project Display (by display I mean board), you need your title (which is usually your question), Materials Listed, Hypothesis (Prediction), Background Research/Info, Data (Chart, Table, Graph, etc.), Procedures (in a step-by-step format), Conclusion, and Results. Hoped this helped!!! X)
Can you change the way data in table format is displayed?
This question is in many categories that may require different answers. In Excel you can use many formats to display your data and change whenever you like.
What is a display of data?
A visual display of data is called a chart, table or a graph.
What is the time table of HSC Time Table February 2008?
just display time table
What type of fountain makes a good table top display?
A type of fountain that makes a good table top display is statue water fountains that provide excellent design, quality, and service to make your table top display beautiful.
Draw a table showing generation of computers and their characteristics?
GENERATION TABLE period (1944_1959) (1959_1965) (1965_1970) very small then laptop smaller than much smaller 10 times faster then then 2nd 3rd gener size of computer very huge first computer generation speed of computer low speed 10 times 100 times E PROM more then S RAM faster then 3rd generatin first generation computer main memory magnetic ROM PROM DRAM tape RAM storage device punched magnetic magnetic floppy disk disk storage device tape card and magnetic tape
