Module 1: Unit 1 to Unit 5 Flashcards
What is Information technology?
-> It is the use of any computer, storage, networking and other physical device
to create, process, store, secure and exchange all forms of electronic data.
-> It deals with the methods used in information processing.
What is digital literacy?
An individual’s ability to find, evaluate, and compose clear
information through writing and other media on various digital platforms
What is another term for digital literacy?
Computer literacy
Name some computer roles in our lives
- Tiny embedded computers control alarm clocks, entertainment centers and home
appliances - Today’s automobiles cannot run efficiently without embedded computer systems
- An estimated 10 mil people work from home instead of commuting to work because of
PCs and networking technologies - People use social media for communications nearly 10 times as often as snail mail and 5
times more than a telephone. - Routine daily tasks such as banking, buying groceries are affected by computer
technologies
This is a collection of parts, a computer combined with hardware and software used to perform desired tasks.
Computer system
What are the 4 components of a computer system?
Hardware
Software
Data
User
This refers to the tangible, physical computer equipment and devices which provide support for the major functions of the computer system.
It controls the input of data into the computer system and the output of information from the computer system.
Hardware
What are the 5 types of hardware?
- Input devices
- Output devices
- System unit
- Storage devices
- Communication devices
These devices are used to enter data or instructions into a computer system.
Input devices
What are the two types of input devices?
- Manual input devices
- Automatic input devices
These are input devices that needs to be operated by a human to input data.
Manual input devices
These can input data on their own.
Automatic input devices
These are used to convey information from the computer system to one or more people. They are pieces of hardware that send usable information out of the computer.
Output devices
What are the two types of output devices?
- Temporary output device
- Permanent output device
Differentiate temporary output device from permanent output device
Temporary output device only conveys information temporarily like monitors while permanent output devices output information onto paper as hard copy like printers.
Input and output devices are known as _______________.
Peripheral devices
This houses the electronic components to process data.
System unit
What consists of the system unit?
- Motherboard
- Processor
- Memory
This is the main circuit board of the system unit. It is central
to any computer system.
Motherboard
What does CPU stand for?
Central Processing Unit
This is the brain of the computer. It controls what the computer does and is responsible for performing calculations and data processing.
CPU
This electronic component that store instructions waiting to be executed and data
needed by those instructions.
Memory
What are the two types of internal memory?
ROM
RAM
The RAM and ROM device are referred to as _____________?
Primary Storage