H1
Device attached to a computer, not physically part of the System Unit
Peripherals
Set of instructions that tells the computer what to do and how to do it?
Computer Programs
Device that sends information to the computer, from the user
Input devices
Software like Microsoft word, WhatsApp...
Application software
Brain of the computer
CPU
Components that affect the computer's speed or performance
The CPU and memory
Special software which is used to create programs and OS
Programming Language
How is data stored inside a computer?
As 1s and 0s OR As BITS
Software that manages other software and hardware
Operating System (OS)
Operations per second
Hertz
After 2GHz, what did the manufacturers create for CPUs?
Multi-cores
Reasons why anyone should learn about programming and software? Name 3.
Life Skills
Program or be Programmed
Job Opportunities
How do we choose our purchase of devices? Name all three.
Network Effect
Ecosystem
Hardware Specifications/Price
Human readable computer instructions
Source code
How many bits in a byte?
8 bits make a byte
Different TYPES of memory?
Long term and Short term memory
Machine readable instructions
Machine code OR Binary code OR Executable code
Slowest, cheapest storage device?
Hard Disk Drives
Software that converts human readable codes to machine readable codes
Compilers OR Interpreters
Permanent expensive memory device?
Solid State Drive
Features of RAM (At least 4)
Random Access Memory
Short term memory
Fast
Expensive
Temporary
Volatile - requires power for storing information
Software released without the human readable instructions
Closed Source
1.5 GHz Quad core Intel Processor
or
3 GHz Dual core AMD Processor
Which is faster?
Mozilla Firefox, Android, Java, Linux. What do these software have in common?
They are all Open Source codes
If you buy a laptop and intend to use for 18 years, which long term memory device should you choose for it?
SSD