Conceptos Esenciales de Informática y Vocabulario Técnico en Inglés

Conceptos Básicos de Computación y Componentes

• 4 To input voice commands and dictate text > MICROPHONE
• 5 Small circuit board called dual in-line memory module > DIMM
• 6 To make a copy of something > BACK UP
• 7 It produces upper case characters > SHIFT
• 8 They appear at the top of the keyboards and can be programmed to do special tasks > FUNCTION KEYS
• 9 Eight bits together > BYTE

Definiciones Clave de Hardware y Software

• SOFTWARE: Is a set of instructions called a program which tells the computer what to do.
• HARDWARE: Is any electronic or mechanical part you can see or touch.
• CPU (Central Processing Unit): This is built into a single chip which oversees the events that take place within the computer system.
• MAIN MEMORY: Holds the instructions and data which are being processed by the CPU.
• PERIPHERALS: Are the physical units attached to the computer.
• ROM (Read Only Memory): Is non-volatile, containing instructions and routines for the basic operations of the CPU.
• RAM (Random Access Memory): Is volatile, that is, its information is lost when the computer is turned off.

Evaluación de Verdadero o Falso

• 1- FALSO: RAM stands for real access memory.
  Corrección: RANDOM ACCESS MEMORY
• 2- VERDADERO: The bus width determines how much data can be transmitted.
• 3- FALSO: Clock speed is measured in megabytes.
  Corrección: MEASURED IN MEGAHERTZ
• 4- VERDADERO: The arithmetic logic unit performs mathematical operations.
• 5- FALSO: The BIOS uses RAM to control communication with peripherals.
  Corrección: USES ROM TO CONTROL COMMUNICATION WITH PERIPHERALS
• 6- FALSO: The registers are slow-speed units of memory used to store and control data.
  Corrección: HIGH-SPEED UNITS OF MEMORY
• 7- FALSO: Expansion slots measure the flow of data.
  Corrección: ALLOW USERS TO INSTALL EXPANSION CARDS

Diálogo de Compra y Venta de Equipos

Conversación entre Loco y Mina

Loco: Good morning. May I help you?

Mina: Yes, I'm looking for a computer. What do you have?

Loco: We have an HP AIO 18, it's an all-in-one desktop PC, and I can offer you the HP 240G, a laptop computer.

Mina: What is the difference between them?

Loco: Well, the HP AIO has an AMD dual-core, 4GB of RAM, 500GB internal hard drive...

Mina: Do they have a DVD drive and Wi-Fi card?

Loco: Yes, they have a DVD drive and wireless connectivity.

Mina: How much do they cost?

Loco: The HP 240G costs 300 euros and the HP AIO 18-5001 costs 400 euros.