Question Discussion & Solution

The correct answer is Tinder.

• Tinder
  • Tinder is an American geosocial networking app.
  • It allows users to swipe to like or dislike other profiles based on their photos and common interests. 

​Additional Information

• Microsoft Edge
  • Microsoft Edge is a cross-platform web browser developed by Microsoft.
  • It was first released for Windows 10 and Xbox One in 2015.
  • Then for Android and iOS in 2017, for macOS in 2019, and as a preview for Linux in October 2020.
  • Edge includes integration with Cortana and has extensions hosted on the Microsoft Store.
• Mozilla Firefox
  • Mozilla Firefox, or simply Firefox, is a free and open-source web browser.
  • It was developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation.
• Internet Explorer 
  • ​Internet Explorer is a series of graphical web browsers developed by Microsoft and is included in the Microsoft Windows line of operating systems, starting in 1995.
  • It was first released as part of the add-on package Plus.

Concept-

• Roots are the underground structures that help in the absorption of water and minerals, provide a proper anchorage to the plant parts, storage of reserve food material (Carrot, Radish), and synthesis of PGR (plant growth regulators).
• Sometimes roots get modified to perform different functions like Storage of food, respiration, climbing, etc.
• These types of roots are called modified roots.

Explanation-

• The Coralloid roots are the specialized roots found in cycas, these roots exhibit a symbiotic relationship between the cyanobacteria and cycas where the cyanobacteria fix the nitrogen and in return, the cycas provide a stable environment to live.
• Cycas, a genus of 105 species of palmlike tropical and subtropical ornamental cycads (family Cycadaceae), among them trees 12 meters (40 feet) or more in height. 
• Their leaves are dark green and circinate (uncoiling as fern leaves do), differing from those of other members of the family in having a midrib but no lateral veins. 
• The seeds are borne along the margins of modified leaves, which are arranged in a whorl at the top of the trunk, rather than in compact cones. 

Thereby coralloid roots are found in cycas.

Additional Information

• Lycopodiopsida
  • It is a class of herbaceous vascular plants known as lycopods, lycophytes.
  • Members of the class are called clubmosses, firmosses, and quillworts.
• Pine
  • A pine is any conifer in the genus Pinus of the family Pinaceae. Pinus is the sole genus in the subfamily Pinoideae.
• Dryopteris
  • It is commonly called the wood ferns, male ferns, or buckler ferns is a fern genus in the family Dryopteridaceae.​

The correct answer is option 1.

Concept:

The auto storage class is the default storage class for all local variables. The variables defined using the auto storage class are called local variables. Auto stands for automatic storage class. A variable is in the auto storage class by default if it is not explicitly specified. The scope of an auto variable is limited to the particular block only.

Storage Classes:

Storage Classes are used to describe the features of a variable/function. These features basically include the scope, visibility, and lifetime which help us to trace the existence of a particular variable during the runtime of a program. C language uses 4 storage classes.

Hence the correct answer is auto.

The correct answer is Register, Cache, RAM, Hard disk.

• Register

• RAM 
  • RAM is a hardware element where the data being currently used is stored.
  • It is a volatile memory.
  • Two types of RAM are
    • Static RAM, or (SRAM) and
    • Dynamic RAM, or (DRAM).
• Register
  • A register holds instructions or data that the processor is working on or will be working on shortly.
  • They form part of the processor and are capable of holding only one item at a time.
• Cache 
  • Cache memory is an area in the computer where codes and instructions are stored.
• Hard disk
  • A hard disk drive is an electromechanical data storage device that stores and retrieves digital data using magnetic storage.

• There are four major storage levels on the computer:
  • Internal –
    • Processor registers and cache.
  • Main –
    • The system RAM and controller cards.
  • On-line mass storage –
    • Secondary storage.
  • Off-line bulk storage –
    • Tertiary and Off-line storage.