Answer :
**Question 13:**
(i) **Four devices that input data in the computer through scanning:**
- Scanner
- Barcode reader
- OCR (Optical Character Recognition) device
- Digital camera
(ii) **Four factors to consider when choosing an input device:**
- Compatibility with the computer system
- Ease of use
- Speed and accuracy of input
- Cost-effectiveness
(iii) **Two application areas of Digitizers:**
- Graphic design: Digitizers are used for creating digital drawings and illustrations.
- Architecture and engineering: Digitizers are used to input precise measurements and drawings into computer-aided design (CAD) software.
**Question 14:**
(i) **Two ways of discharging static electricity:**
- Touching a grounded metal object
- Using an antistatic wrist strap
(ii) **Three controllers used to connect a hard disk to the motherboard:**
- SATA (Serial ATA) controller
- SCSI (Small Computer System Interface) controller
- IDE (Integrated Drive Electronics) controller
(iii) **Hot swapping:**
Hot swapping refers to the ability to replace or add components to a computer system without shutting it down.
(iv) **Acronyms in full:**
- SATA: Serial Advanced Technology Attachment
- SCSI: Small Computer System Interface
- EIDE: Enhanced Integrated Drive Electronics
I will continue with the remaining questions in separate responses for better clarity and organization.
