definition,digital meaning, history, characteristics ,types and uses of digital computers clear difference from analog computers.

1. Presented by :
Saba Pervez
Department :
Bs-English 3rd
Submitted To:
Ma^am Rabia

2. DIGITAL
COMPUTERS

3. WHAT IS A DIGITAL
COMPUTER?
• Digital computers are programmable machines that use
electronic technology to generate, store and process data.
Two terms, positive "1" and non-positive "0," compose the
data into a string.
• By convention, the digital computers use the binary number
system, which has two digits: 0 and 1. A binary digit is called a
bit.
•

4. The most commonly
used digital
computer can be
illustrated as;

5. INVENTED BY:
• John V. Atanasoff, an American mathematician and physicist, is
credited with building the first electronic digital computer,
which he constructed from 1939 to 1942 with the assistance
of his graduate student Clifford E. Berry.
• It was used primarily for numerical computations and the
discrete elements were the digits. From this application the
term digital computer emerged.

6. COMPUTER ARCHITECTURE
• Computer Architecture is concerned with
the structure and behaviour of the
computer as seen by the user.
• Two basic types of computer architecture
are:
1. Von Neumann architecture
2. Harvard architecture

7. 1. VON NEUMANN ARCHITECTURE
• The von Neumann architecture describes a general
framework, or structure, that a computer's hardware,
programming, and data should follow.
It consists of following components;
1.RAM
2.ALU
3.control unit
4.peripheral devices

8.  An example of computer architecture base on the Von
Neumann architecture is the desktop personal computer.

10. 2. HARVARD ARCHITECTURE
• The Harvard architecture uses physically
separate storage and signal pathways for their
instructions and data
Microcontroller(single-chip microcomputer)-based
computer systems and DSP(Digital Signal
Processor)-based computer systems are examples
of Harvard architecture.

11. TYPES
:

12. CHARACTERISTICS OF DIGITAL COMPUTERS
Speed
Reliable results
Huge memory
Fast calulations
Less electric power
Less time consuming and unlimited scope
Automatic

13. USES
• Used in all field of life.
• Can do all sorts of
calculations and makes our
work easier.

14. REFERENCES
• https://www.britannica.com/technology/digital-computer
• https://www.javatpoint.com/digital-computers
• https://www.slideshare.net/AnsifEk1/types-of-digital-computers
• https://www.studytonight.com/computer-architecture/digital-computers

15. THANK YOU