I hope You all like it. I hope It is very beneficial for you all. I really thought that you all get enough knowledge from this presentation. This presentation is about materials and their classifications. After you read this presentation you knowledge is not as before.
I hope You all like it. I hope It is very beneficial for you all. I really thought that you all get enough knowledge from this presentation. This presentation is about materials and their classifications. After you read this presentation you knowledge is not as before.
Introduction, Developing a Program, Algorithm, Flowchart, and Pseudo code (P Code). Introduction, Evolution of Programming Languages, Classification of Programming Languages, Generations of Programming Languages, Features of a Good Programming Language, Selection of a Programming Language. Introduction Software: Definition, Relationship between Software and Hardware, Software Categories, System Software, Application Software, Software Terminology. Introduction, Operating System, Evolution of Operating System, Types of Operating System, Functions of an Operating System, Modern Operating Systems.
A computer is an electronic device, operating under the control of instructions stored in its own memory that can accept data (input), process the data according to specified rules, provide information (output), and store the information for future use
What is Computer, Functionalities of a computer, Computer Components, Hardware, software, Input Devices, Output Devices, CPU (Central Processing Unit), Memory, Unit of Measurements, Classification of Computers, Computer Languages, Generation of Computers, Data, Information and Knowledge, Characteristics of Computer, Computer Viruses,
Classification of Microprocessors
Apart from the width of data (word length) that the microprocessors can process at a time, the classification
is also based on the architecture i.e. Instruction Set of the microprocessor. While studying about CPUs,
we come across two abbreviations CISC and RISC.
Introduction, Developing a Program, Algorithm, Flowchart, and Pseudo code (P Code). Introduction, Evolution of Programming Languages, Classification of Programming Languages, Generations of Programming Languages, Features of a Good Programming Language, Selection of a Programming Language. Introduction Software: Definition, Relationship between Software and Hardware, Software Categories, System Software, Application Software, Software Terminology. Introduction, Operating System, Evolution of Operating System, Types of Operating System, Functions of an Operating System, Modern Operating Systems.
A computer is an electronic device, operating under the control of instructions stored in its own memory that can accept data (input), process the data according to specified rules, provide information (output), and store the information for future use
What is Computer, Functionalities of a computer, Computer Components, Hardware, software, Input Devices, Output Devices, CPU (Central Processing Unit), Memory, Unit of Measurements, Classification of Computers, Computer Languages, Generation of Computers, Data, Information and Knowledge, Characteristics of Computer, Computer Viruses,
Classification of Microprocessors
Apart from the width of data (word length) that the microprocessors can process at a time, the classification
is also based on the architecture i.e. Instruction Set of the microprocessor. While studying about CPUs,
we come across two abbreviations CISC and RISC.
For more information on NPM, visit: http://www.solarwinds.com/network-performance-monitor.aspx
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Paper presented at SYNERGY workshop at AVI 2024, Genoa, Italy. 3rd June 2024
https://alandix.com/academic/papers/synergy2024-epistemic/
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Intro to comp. hardware
1. Department of Computer and Information Science,
School of Science, IUPUI
CSCI 230
Introduction to Computers
- Hardware
Dale Roberts, Lecturer
Computer Science, IUPUI
E-mail: droberts@cs.iupui.edu
2. What is a Computer?
Computer
Device capable of performing computations and making
logical decisions
Computers process data under the control of sets of
instructions called computer programs
Personal computers: economical enough for individual
Distributed computing: computing distributed over
networks
Client/server computing: sharing of information across
computer networks between file servers and clients
(personal computers)
Dale Roberts
3. What is a Computer? (cont.)
Computer Hardware
Various devices comprising a computer:
Keyboard, screen, mouse, disks, memory, CD-
ROM, and processing units
User
Hardware Trends: every year or two the following
approximately double (Moore’s Law): High-level
Language
Application
Amount of memory in which to execute programs Assembly
Language
Software
Amount of secondary storage (such as disk storage)
Used to hold programs and data over the longer term
OS
Processor speeds
The speeds at which computers execute their programs Firmware
Machine Hardware
Code
4. What is a Computer? (cont.)
Computer Software
Computer Programs that run on a computer, including
Operation System (OS)
Application Software
Computer Language User
High-level
Language
Application
Assembly Software
Language
OS
Firmware
Machine Hardware
Code
5. Moore's Law
Defined by Dr. Gordon Moore during the
sixties.
Predicts an exponential increase in
component density over time, with a
doubling time of 18 months.
Applicable to microprocessors, DRAMs ,
DSPs and other microelectronics.
Monotonic increase in density observed
since the 1960s.
7. Moore's Law and Performance
The performance of computers is
determined by architecture and clock
speed.
Clock speed doubles over a 3 year period
due to the scaling laws on chip.
Processors using identical or similar
architectures gain performance directly as
a function of Moore's Law.
Improvements in internal architecture can
yield better gains than predicted by
Moore's Law.
9. What is a Computer? (cont.)
Internet
The Internet enables
Quick and easy communication via e-mail
International networking of computers
Packet switching
The transfer of digital data via small packets
Allows multiple users to send and receive data simultaneously
No centralized control
If one part of the Internet fails, other parts can still operate
Bandwidth
Information carrying capacity of communications lines
Ex: Internet T2 at IUPUI
World Wide Web
Locate and view multimedia-based documents on almost any subject
Makes information instantly and conveniently accessible worldwide
Possible for individuals and small businesses to get worldwide exposure
Changing the way business is done
10. Computer Organization
A Typical Von-Neumann Architecture
CPU
Control Circuit
(ex: PC: Program Counter)
Memory I/O
ALU
Example:
1. Input unit
2. Output unit
3. Memory unit
4. Arithmetic and logic unit (ALU)
5. Central processing unit (CPU)
6. Secondary storage unit
11. Computer Organization (cont.)
Six logical units in every computer:
1. Input unit
Obtains information from input devices (keyboard, mouse)
1. Output unit
Outputs information (to screen, to printer, to control other
devices)
1. Memory unit
Rapid access, low capacity, stores input information
ROM (Read Only Memory): CMOS, EPROM …
RAM (Random Access Memory): SRAM, DRAM, SIMM, DIMM
…
12. Computer Organization (cont.)
Six logical units in every computer (cont):
3. Arithmetic and logic unit (ALU) – part of CPU
Performs arithmetic calculations (addition, subtraction...) and
logic decisions
3. Control unit (CU) - part of CPU
Supervises and coordinates the other sections of the computer
3. Secondary storage unit
Cheap, long-term, high-capacity storage
Stores inactive programs
13. Computer Organization (cont.)
Central Processing Unit (CPU),
“brain” of a computer, consisting of
Arithmetic and logic unit (ALU): performs arithmetic calculations
(addition, subtraction...) and logic decisions (>, <, =, ...)
Control Unit (CU): decodes each machine instruction and sends
signal to other components for carrying out the instruction.
An integrated circuit (IC) that is a full central processing unit
is called a microprocessor (µp); a CPU’s current instruction
and data values are stored temporally inside the CPU in
special high-speed memory location called registers.
CPU speed: ? MHz (M: Mega = 106, Hz=1/sec);
14. Computer Organization (cont.)
Memory
A large collection of circuits, each capable of
storing bit
Cells (words): manageable units; typical size is 8
bits (1 byte), some machines are 16 bits (2
bytes) and some are 32 bits or 64 bits
Byte (8 bits), KB (kilobyte, 103 ≈ 210 bytes), MB
(Megabyte, 106 ≈ 220 bytes), GB (Gigabyte, 109 ≈ 230
bytes). Note: k ≠ K because 1000 ≠ 1024.
15. Computer Organization (cont.)
Computer memory is comparable to a collection of
numbered mailboxes. To identify individual cells in a
machine’s main memory, each cell is assigned a unique
name, called its address
ASCII H e l l o ,
Data
01001000 01100101 01101100 01101100 01101111 00101110
... ...
Address 0000 0101 0000 0110 0000 0111 0000 1000 0001 0001 0001 0010
Address Bus
Data Bus
The organization of byte-size memory cell
Most Significant Bit (MSB) Least Significant Bit (LSB)
High-order end Low-order end
0 0 0 0 0 1 0 1