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DVD technology uses an optical media to store the digital data. DVD is an acronym for

• Digital Vector Disc

• Digital Volume Disc

• Digital Versatile Disc

• Digital Visualization Disc

Answer explanation

The DVD (common abbreviation for Digital Video Disc or Digital Versatile Disc) is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan.

Which of the following domains is used for – profit-businesses?

• .com

• .org

• .net

• .edu

Answer explanation

.com domain is used for profit making businesses LIKE FLIPKART.COM, MYNTRA.COM.

The .com domain is used for profit-oriented businesses. The .com extension is the default online identifier for commercial enterprises. 

What is the name for a webpage address?

• URL

• Domain

• Directory

• Protocol

Answer explanation

Uniform Resource Locator

URL stands for Uniform Resource Locator. Every web page that is displayed on the Internet has a specific address associated with it. This address is known as the URL. It tells us the location of the web page being displayed and other related information.

Which of the following represents a billion characters?

• Gigabytes

• Terabytes

• Megabytes

• Kilobytes

Answer explanation

A gigabyte (GB) -- pronounced with two hard Gs -- is a unit of data storage capacity that is roughly equivalent to 1 billion bytes.

The data storage hierarchy consists of:

• Bits, bytes, fields, files, records and databases

• Bytes, bits, fields, records, files and databases

• Bits, bytes, fields, records, files and databases

• Bits, bytes, records, fields, files and databases

Answer explanation

What is the full form of USB as used in computer-related activities?

• United Serial Bus

• Ultra Security Block

• Universal Security Block

• Universal Serial Bus

Answer explanation

The full form of USB is Universal Serial Bus. USB is an industry standard that establishes specifications for: 

• Cables and connectors

• Protocols for connection, communication, and power supply

• Interfaces between computers, peripherals, and other computers

A new Laptop has been produced that weighs less, is smaller and uses less power previous Laptop models. Which of the following technologies has been used to accomplish this?

• Universal Serial Bus Mouse

• Faster Random Access Memory

• Blu Ray Drive

• Solid State Hard Drive

Answer explanation

The technology used to produce a new laptop that weighs less, is smaller, and uses less power than previous models is solid state hard drive (SSD) technology.

SSDs are a type of mass storage device similar to a hard disk drive (HDD). They store data on flash memory. 

Put the following units of storage into the correct order, starting with the smallest unit first and going down to the largest unit: (a) Kilobyte (b) byte (c) Megabyte (d) Terabyte (e) Gigabyte (f) Bit

• (f), (b), (a), (c), (d), (e)

• (f), (b), (a), (d), (e), (c)

• (f), (b), (a), (c), (e), (d)

• (f), (b), (a), (d), (c), (e)

With regard to computer memory, which of the following statement (s) is/are TRUE?

P: Read-only memory (ROM) is a ‘volatile’ memory.

Q: Random Access Memory (RAM) is ‘volatile’ memory.

R: Secondary Memory is ‘volatile’ memory.

Answer explanation

RAM (Random Access Memory) is called volatile memory because the data stored in it is lost when the computer loses power. RAM is located on the motherboard of a computer and is used to temporarily store work. The information is stored electrically on transistors, so when there is no electric current, the data disappears.

The gap between those individuals in a society who are computer literate and have access to information resources like the Internet and those who do not, is referred to as the_________.

• Digital divide

• ICT divide

• Information overload

• Terabyte divide