Microprocessor Buses: Types, Functions, and Connections
A microprocessor bus is a common set of power lines that connects all devices and computer components. Circuit loads are observed in these lines to identify the data and respond when your ID is transmitted. Then, they begin to transmit or receive data in another set of cables. This transport is the means by which data travel and may have the following characteristics:
- Data Path Width: The number of bits that can be carried simultaneously.
- Clock Cycle Speed: The number of data groups per second that
Understanding Computer Hardware, Software, and Algorithms
What is a Computer?
A computer is a machine capable of performing a sequence of operations based on a program, processing data input.
Main Hardware Components
The main hardware components include the Central Processing Unit (CPU), memory, and input/output devices.
Central Processing Unit (CPU)
The CPU is the ‘brain’ of the computer. It executes data and commands, performs arithmetic and logical operations, and controls other devices.
Memory
Memory stores data and programs temporarily or permanently.
Memory
Read MoreC# Account Class with CRUD Operations
C# Account Class
This C# code defines an Account class with methods for performing CRUD (Create, Read, Update, Delete) operations on a SQL Server database.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Configuration;
using System.Data.SqlClient;
Account Class Definition
public class Account
{
private string connStr = ConfigurationManager.ConnectionStrings["DatabaseContext"]COBOL Program GPCAP764: Product Consultation
IDENTIFICATION DIVISION
PROGRAM-ID: GPCAP764
AUTHOR: FELIPE RICARDO NOGUEIRA
SECURITY: CONSULTATION PROGRAM PRODUCTS
DATE-WRITTEN: 28/11/2009
ENVIRONMENT DIVISION
CONFIGURATION SECTION
SPECIAL-NAMES: COMMA DECIMAL-POINT IS
DATA DIVISION
WORKING-STORAGE SECTION
01 AREA-DE-TRABALHO
- 03 WK-MENSAGEM PIC X(80) VALUE SPACES
- 03 WK-PROGRAMA PIC X(08) VALUE SPACES
- 03 WK-CODPROD PIC X(06) VALUE SPACES
01 AREA-DE-DESCOMPACTACAO
- 03 WS-QTDEST PIC 9(04) VALUE ZEROS
- 03 WS-QTDMIN PIC 9(04) VALUE ZEROS
- 03 WS-QTDMAX PIC 9(04) VALUE
Computer Architecture: Key Concepts and Definitions
Computer Transmission Methods
- Simplex: Single direction transmission.
- Half-Duplex: Transmission in both directions, but not simultaneously.
- Full-Duplex: Simultaneous transmission in both directions.
Main Memory Function
Stores programs and data.
Computer Structure
Mechanisms for information exchange between the CPU, main memory, and input/output devices.
Acronyms
- REM: Address Bus
- RDM: Data Bus
- IR: Instruction Register
- PC: Program Counter
- ACC: Accumulator Register
- UC: Control Unit
- ULA: Arithmetic Logic Unit
Instruction
Read MoreComprehensive VHDL Code Examples for Digital Design
Digital Flip-Flops and Registers
1. D Flip-Flops Without Asynchronous Reset
- D flip-flop without asynchronous reset
- D flip-flop with asynchronous reset
- D flip-flop with synchronous enable
Library: ieee;
Listing 5.1: D Flip-Flop Without Asynchronous Reset
use ieee.std_logic_1164.all;
entity d_ff is port(
clk: in std_logic;
d: in std_logic;
q: out std_logic
);
end d_ff;
architecture arch of d_ff is
begin
process(clk)
begin
if (clk'event and clk='1') then
q <= d;
end if;
end process;