computing by marco garcia urrutia

what is computer

garciamarco2 — 2025-10-03 09:38:23 UTC

Computers are not intelligent; they are tools that follow instructions perfectly and quickly.

They follow instructions from the user and from the computer programmer.

Applications (word processors, video games, etc.) are sets of instructions.

garciamarco2 — 2025-10-08 09:37:27 UTC

Hardware: the part of the computer you can touch: CPU, memory, graphics card, and peripherals. They can be changed.

garciamarco2 — 2025-10-08 09:57:19 UTC

ia tis intangible part of a computer. It is the logic the

computer follows. Programmers

write instructions called programs,

and when we use a program, the

computer follows those

instructions.

garciamarco2 — 2025-10-10 06:52:10 UTC

A green plastic card with chips installed on the motherboard.
Motherboards have empty slots, so more RAM can be added if needed.
Function: Stores applications and files currently in use.
Advantages:
- Reads and writes data very quickly.
Disadvantages:
- Data is lost if there is a power cut.
- Smaller storage capacity (around 6 GB) compared to the hard disk.

garciamarco2 — 2025-10-10 06:53:33 UTC

Use light to read and write

data

Advantages: Cheap.

Disadvantages: Not suitable

for rewriting.

garciamarco2 — 2025-10-10 06:54:21 UTC

Store data in chips.

Advantages: Rewritable and

fast.

Disadvantages: More

expensive than CDs/DVDs.

garciamarco2 — 2025-10-10 06:55:39 UTC

A set of rigid discs with a

magnetic surface.

Function: Stores all programs,

files, and data permanently.

Advantages:

Large storage capacity

(today around 1 TB).

Data can be saved and

erased whenever needed.

Disadvantages:

Relatively slow compared

to other types of memory.

• Takes longer to read and

write information.