Match List I (Computer term) with List II (Description) and choose the correct answer from the options given below.

List I

i.OMR

ii.MICR

iii.RAM

iv.Firewall

List II

a.Used by banks to read codes on a cheque

b.Prevents unauthorized access to a computer network

c.Marks multiple choice questions

d.Stores programs and data temporarily

Ai-c, ii-a, iii-d, iv-b ✓ Correct

Bi-c, ii-d, iii-a, iv-b

Ci-c, ii-a, iii-b, iv-d

Di-a, ii-c, iii-d, iv-b

Correct answer: (A) i-c, ii-a, iii-d, iv-b

Explanation

OMR, optical mark recognition, senses pencil marks and so marks multiple-choice answer sheets, pairing i with c.

MICR, magnetic ink character recognition, is used by banks to read the coded numbers printed along the bottom of a cheque, pairing ii with a.

RAM is the working memory that stores programs and data temporarily while the computer runs, pairing iii with d.

A firewall filters network traffic to prevent unauthorised access to a computer network, pairing iv with b.

OMR detects the position of marks whereas MICR reads magnetically encoded characters, two distinct scanning technologies.

A firewall can be either hardware or software and sits between a trusted network and untrusted ones.

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