Correct option is C
The correct matching is:
1. A (OMR) → III: Optical Mark Recognition (OMR) is used to read multiple-choice answers in exams.
2. B (MICR) → I: Magnetic Ink Character Recognition (MICR) is used by banks to read codes on cheques.
3. C (RAM) → IV: Random Access Memory (RAM) temporarily stores programs and data for quick access.
4. D (Firewall) → II: A firewall is used to prevent unauthorized access to or from a computer network.
Information Booster:
1. OMR is commonly used for grading exams like standardized tests.
2. MICR is used by banks for cheque processing and involves reading magnetic ink characters.
Additional Knowledge:
· RAM is volatile memory, meaning its contents are lost when the computer is turned off.
· A firewall can be both software and hardware, controlling incoming and outgoing network traffic.