Explanation:-

Answer: Option D. -> Character
Answer: (d)
Magnetic ink individual reputation (MICR) is an era used in the main to perceive and system checks.
It is known as a magnetic ink individual reputation line in connection with the print era this is used to allow a system to read, system, and file information. The MICR is a tool that could realize human readable characters revealed on files which includes cheques with the use of a unique magnetic ink.
The reader reads those characters with the aid of using analyzing their shapes.
The abbreviation MICR stands for Magnetic Ink Character Recognition.

Explanation:-

Answer: Option A. -> Optical Character Recognition
Answer: (a)
OCR stands for Optical Character Recognition. It is a technology that recognizes text within a digital image.
It is commonly used to recognize text in scanned documents and images. OCR software can be used to convert a physical paper document or an image into an accessible electronic version with text.

Explanation:-

Answer: Option B. -> Internet Service Provider
Answer: (b)
An ISP internet service provider is a company that provides individuals and organizations access to the internet and other related services. An ISP has the equipment and the telecommunication line access required to have a point of presence on the internet for the geographic area served.

Explanation:-

Answer: Option D. -> CD-read only memory
Answer: (d)
CD-ROM (Compact Disc, read-only-memory) is an adaptation of the CD that is designed to store computer data in the form of text and graphics, as well as hi-fi stereo sound. 
The original data format standard was defined by Philips and Sony in the 1983 Yellow Book.

Explanation:-

Answer: Option A. -> Window Icon Menu Pointer
Answer: (a)
WIMP stands for Windows, Icons, Menus and Pointers (or maybe Windows, Icons, Mouse, Pull-down menus). WIMP is the style of graphical user interface that uses the above-mentioned common widgets.

Explanation:-

Answer: Option C. -> Enterprise Resource Planning
Answer: (c)
ERP stands for enterprise resource planning. It's software that manages a company's financials, supply chain, operations, commerce, reporting, manufacturing, and human resource activities.

Explanation:-

Answer: Option A. -> Information Technology
Answer: (a)
Stands for Information Technology, and is pronounced I.T. It refers to anything related to computing technology, such as networking, hardware, software, the Internet, or the people that work with these technologies. Many companies now have IT departments for managing the computers, networks, and other technical areas of their businesses.
IT jobs include computer programming, network administration, computer engineering, Web development, technical support, and many other related occupations.

Explanation:-

Answer: Option B. -> Cathode Ray Tube
Answer: (b)
A cathode-ray tube (CRT) is a specialized vacuum tube in which images are produced when an electron beam strikes a phosphorescent surface. Most desktop computer displays make use of CRTs. The CRT in a computer display is similar to the "picture tube" in a television receiver.

Explanation:-

Answer: Option C. -> Vital Information Resource Under Siege
Answer: (c)
VIRUS stands for Vital information Recourse Under Siege.
A computer virus is actually a malicious software program or "malware" that, when infecting your system, replicates itself by modifying other computer programs and inserting its own code. Infected computer programs may include data files or even the "boot" sector of the hard drive.
A computer virus is a malicious software program loaded onto a user's computer without the user's knowledge and performs malicious actions. It can self-replicate, inserting itself onto other programs or files, infecting them in the process. Not all computer viruses are destructive though.

Explanation:-

Answer: Option A. -> Erasable Programmable Read-Only Memory
Answer: (a)
EPROM, in full erasable programmable read-only memory, form of computer memory that does not lose its content when the power supply is cut off and that can be erased and reused. EPROMs are generally employed for programs designed for repeated use but that can be upgraded with a later version of a program. EPROMs are erased with ultraviolet light. The capabilities of EPROMs were extended with EEPROM flash memory, which is extensively used in computers in the early 21st century.