1. Introduction to Computers
A computer is an electronic device that accepts data as input,
processes it according to a set of instructions, and produces
meaningful information as output. Computers are widely used in
education, research, healthcare, and pharmacy practice.
2. Characteristics of Computers
- High speed and accuracy
- Automation
- Large storage capacity
- Versatility
- Reliability
3. Classification of Computers
Computers can be classified based on size, purpose, and data
handling capacity.
- Analog computers
- Digital computers
- Hybrid computers
4. Components of a Computer System
- Input devices – keyboard, mouse, scanner
- Output devices – monitor, printer
- Central Processing Unit (CPU)
- Memory and storage devices
5. Hardware and Software
Hardware refers to the physical components of a computer system,
whereas software refers to programs and applications that instruct
the computer to perform specific tasks.
6. Types of Software
- System software
- Application software
- Utility software
7. Applications of Computers in Pharmacy
- Drug information systems
- Hospital and community pharmacy management
- Research and data analysis
- Inventory control and billing
8. Advantages and Limitations
Computers improve efficiency and accuracy in pharmacy practice,
although they require proper maintenance and trained personnel for
effective utilization.