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Solution:

. (2) MS-DOS stands for Microsoft Disk Operating System. It is a discontinued operating system for x86-
based personal computers mostly developed by Microsoft. It was the main operating system for IBM PC
compatible personal computers during the 1980s and
1990s

. (2) Dynamic Random Access Memory (DRAM), the
most common kind of Random Access Memory (RAM)
for Personal computers and workstations, has to be
refreshed many times per second in order to hold its
data contents. DRAM is dynamic in that, unlike static RAM (SRAM), it needs to have its storage cells refreshed or given a new electronic charge every few
milliseconds. DRAM stores each bit in a storage cell
consisting of a capacitor and a transistor. Capacitors
tend to lose their charge rather quickly thus, the need
for recharging.

. (1) URL is an acronym for Uniform Resource Locator.
Commonly referred to as a web address, URL is a
reference to a web resource that specifies its location
on a computer network and a mechanism for retrieving it.

Solution:
The correct answer is ‘The house is kept neat and clean by my friend.’
Key Points
The given sentence is in Active Voice. As per the given question we have to change it
into Passive Voice.
The structure of the given sentence as follows:
Subject + V + Object. (Active Voice)
Subject (Objective Case) + is/am/are + V + Object (Subjective Case).
(Passive Voice)
Example:
Aastha teaches English. (Active Voice)
English is taught by Aastha. (Passive Voice)
The subject of the given sentence is ‘My friend’.
The object of the given sentence is ‘the house’.
The subject will be put in place of the object and the object will be put in place
of the subject.
‘keeps’ will be changed into ‘is kept’.
Therefore, as per the points mentioned above, we find that the correct answer is Option
2.
Correct Sentence: The house is kept neat and clean by my friend

(3) The question has more than one option correct:
secondary storage is also known as auxiliary storage
or external storage.
USB (memory stick) Flash Drive is a secondary data
storage device that includes flash memory with an
integrated USB interface. USB flash drives are typically removable and rewritable, and physically much
smaller than an optical disc. They are often used for
the same purposes, for which floppy disks or CDs
were used, i.e., for storage, data back-up and transfer of computer files.

Solution:

Answer :Option A

The correct answer is ‘fringe’.

Key Points

• The meaning of the word is
  • brim- the very top edge of a container
• Let’s see the meanings of the given options
  • center- the middle point or part
  • heart- the central part
  • core- a most important part of something
  • fringe-  the outer area
• According to the meanings of the given words, fringe is the right answer.

The correct order of the given parts of the sentence is ‘RPSQ‘.

Key Points

• In the above parts of sentence, you will observe that the importance of production in the field of agriculture.
• Therefore, Sentence R will be the first sentence.
• Sentence P tells about the security of food which depends upon the production of agriculture.
• Hence, it will be the sentence following R.
• Sentence S signifies previously talked two things.
• Sentence Q concludes the paragraph by mentioning that ‘agriculture is a source of income for the majority of the rural poor.
• Hence, Sentence Q is the last part of the sentence.
• Thus the correct order is ‘RPSQ‘.

correct sentence: Agriculture production is important for food security because it is a source of income for the majority of the rural poor.

Important Points

Important Rules to Solve the Para Jumbles:

• Read the sentences attentively and try to comprehend the idea or theme of the paragraph and eliminate the irrelevant options.
• Try to identify the opening (independent sentence) and closing sentences of the paragraph (concluding sentence).
• Try to identify the mandatory pairs. Two sentences can be connected through various connectors and other determinants. Identify the pronouns connecting the
  sentences with each other.

. (2) A personal computer (PC) is any general-purpose
computer whose size, capabilities, and original sales
price make it useful for individuals, and which is
intended to be operated directly by an end-user with
no intervening computer operator. This contrasted
with the batch processing or time-sharing models
which allowed larger, more expensive minicomputer
and mainframe systems to be used by many people.

Here the correct answer is Shall we.
Key Points:-

• In the above given sentence, ‘shall we’ will be used.
• The sentence uses the blank after a statement and ends with a question mark, indicating that the blank must contain a question tag.
• It is so because If any statement starts with Let’s(Let us) then its question tag will be ‘shall we’.
• For Examples:-
  • Let’s play chess, shall we?
  • Lets watch a movie, shall we?
• In the above given sentence, (Let’s) has been used, thus, ‘shall we’ will be used.
• Thus, the correct answer is option 2.

Therefore, the correct sentence is Let’s go to see him on Tuesday,​ shall we?
Important Points

• Question Tag Rule: If the verb is positive, the question tag is always negative.
• Example: You do know that, don’t you?
• The pronoun in the question tag is always in subjective form.

. (4) The kilobyte (symbol: kB) is a multiple of the unit
byte for digital information. Although the prefix kilomeans 1000, the term kilobyte and symbol kB have
historically been used to refer to either 1024 bytes
or 1000 (103
) bytes, dependent upon context, in the
fields of computer science and information technology.

. (1) ENIAC was the first electronic general-purpose
computer. It was Turing-complete, digital, and capable of being reprogrammed to solve a full range of
computing problems. The 18,000-tube ENIAC was
completed in 1946.

The correct answer is- In a similar situation​.
Key Points

• Let’s look at the meaning of the given idiom:
• In the same boat: To be in the same unpleasant situation as other people.(अन्य लोगों की तरह ही अप्रिय स्थिति में होना।)
  • Example: He is always complaining that he doesn’t have enough money, but we’re all in the same boat.

Hence, the correct meaning of the given idiom is- In a similar situation​.
Additional Information

• Let’s find out some synonym of Situation:
• Condition: The particular state that something or someone is in. (वह विशेष अवस्था जिसमें कुछ या कोई व्यक्ति होता है।)
• Position: The place where something or someone is, often in relation to other things. (वह स्थान जहाँ कोई वस्तु या कोई व्यक्ति होता है, अक्सर अन्य चीजों के संबंध में।)

Solution:

Answer :Option B

The least possible diagram is:


Conclusion:
I. Some skirts are tables -False, as there is no region common between skirts and tables.
II. Some benches are skirts – True, as there is some region common between skirts and benches.
III. All benches are skirts- False, as the region of benches is not fully contained in the region of skirts.
IV. Some tables are skirts – False, as there is no region common between skirts and tables.
So, only II follows.

Hence, option (B) is the correct response.

The correct answer is ‘gentle’.

Key Points

• The meaning of the word is-
  • Tame – not interesting or exciting. (दिलचस्प या रोमांचक नहीं)
• Let’s see the meanings of the given options
  • Feral – existing in a wild state. (जंगली)
  • Savage – extremely violent, wild. (असभ्य)
  • Wild – violent or extreme. (जंगली)
  • Gentle – calm, not violent, severe or strong. (शांत, हिंसक नहीं, गंभीर या मजबूत नहीं)
• According to the meanings of the words, gentle is the right answer.

Solution:

Answer :Option C

The correct answer is ‘QSPR’.

Key Points

• The given question is an example of sentence rearrangement.
• The sentence should begin with Segment Q as it introduces the subject of the sentence i.e. ‘Cartography’.
• Segment S will be the next sentence because Segment Q introduces that subject and Segment S tells us what ‘Cartography’ is.
• Out of the given options, only Option 2 contains P as the starting segment, thereby, making it the correct answer.
• Therefore, as per the points mentioned above, we find that the correct answer is Option 2.

Correct Answer: Cartography is the art and science of graphically representing a geographical area usually on a flat surface such as a map or chart.

. (3) The byte is a unit of digital information in computing and telecommunications that most commonly consists of eight bits. Historically, a byte was the number of bits used to encode a single character of text
in a computer and for this reason it is the basic addressable element in many computer architectures.

Solution:
The correct answer is ‘The fort was visited by them last week’.
Key Points
The given sentence is in Active Voice. As per the given question we have to change it
into Passive Voice.
The process of transformation is as follows:
The structure of the given sentence is as follows:
Subject + V2 + Object. (Active Voice)
Subject (objective case)+ was/were + V3 + Object (subjective case).
(Passive Voice)
Example:
Their cousin showed them some rare photographs. (Active Voice)
They were shown some rare photographs by their cousin. (Passive Voice)
The subject of the given sentence is ‘They’.
The object of the given sentence is ‘the fort’.
The subject will be put in place of the object and the object will be put in place of the
subject.
‘visited’ will be changed into ‘was visited’.
Lastly, the preposition ‘by’ will be added.
Therefore, as per the points mentioned above, we find that the correct answer is Option
3.
Correct Sentence: The fort was visited by them last week.
Additional Information
When what/which is used as a subject of a sentence, it is changed into by
what/which.
Example:
What makes you happy in your life? (Active Voice)
By what are you made happy in your life? (Passive Voice)

The correct answer is ‘release‘.

Key Points

• The meaning of the word is
  • cap- to put a limit on the amount of money
• Let’s see the meanings of the given options.
  • instruct- to order or tell someone to do something
  • limit- to control something
  • restrict- to limit something
  • release- to allow something
• According to the meanings of the given words, release is the right answer.

The correct answer is- To be involved in many activities at the same time.
Key Points

• Let’s look at the meaning of the given idiom:
• Have several irons in the fire: To be involved with many activities or jobs at the same time or to make certain that there are always several possibilities available.(एक ही समय में कई गतिविधियों या नौकरियों में शामिल होना या यह सुनिश्चित करना कि हमेशा कई संभावनाएं उपलब्ध हैं।)
  • Example: If that job application doesn’t work out I’ve got a couple more irons in the fire.

Hence, the correct meaning of the given idiom is- To be involved in many activities at the same time
Additional Information

• Let’s find out some synonym of Activity:
• Task: A piece of work to be done, especially one done regularly, unwillingly, or with difficulty. (किया जाने वाला कार्य, विशेष रूप से नियमित रूप से, अनिच्छा से या कठिनाई से किया जाने वाला कार्य।)
• Project:  A piece of planned work or an activity that is finished over a period of time and intended to achieve a particular purpose. (नियोजित कार्य या गतिविधि का एक टुकड़ा जो समय की अवधि में समाप्त हो जाता है और किसी विशेष उद्देश्य को प्राप्त करने का इरादा रखता है।)

Solution:

Solution:

Answer :Option D

The least possible Venn-diagram is:

Conclusions:
I. All food are sweet  – False, as it is not a definite case.
II. Some sweets are sour – False, there is no direct relation between sweet and sour.
So, neither I nor II follows.
Hence, option (D) is the correct response.

(2) As per the latest data of International Telecommunications Union, China had the largest number of internet users in the world (721,434,547) as of 30 June,
2016. India comes second with 462,124,989 internet users.

Solution:

Answer :Option C

The possible Venn diagram of the given statement:

Conclusions :
I. Some pen are pencil – (from Venn-diagram it is clear that some pen are pencil) hence conclusion I is true.
II. No pen is an eraser – (from Venn- diagram, it is clear that no pen is eraser) hence conclusion II is true.
Both conclusions I and II follow.

Hence, option C is the correct answer.

. (2) ENIAC was the first electronic general-purpose
computer. It was Turing-complete, digital, and capable of being reprogrammed to solve a full range of
computing problems. It was designed to calculate
artillery firing tables for the United States Army’s
Ballistic Research Laboratory.

Solution: