Questions

Q:

What does the EU do?

Answer

Execution Unit receives program instruction codes and data from BIU, executes these instructions and store the result in general registers.

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Q:

What is program counter in 8085?

Answer

Program counter holds the address of either the first byte of the next instruction to be fetched for exectuion or the address of the next byte of a multi byte instruction, which has not beeb completely fetched. in both the cases it gets increnented automatically one by one as the instruction bytes get fetched. Also Program register keeps the address of the next instruction.

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Q:

what is the interrupt?

Answer

interrupt is a signal send by external device to the processor so as to request the processor to perform a particular work.


A signal informing a program that an events has occurred. when a program receives an interrupt signal, it takes a specified action (which can be to ignore the signal).

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Q:

Read the following passage carefully and choose the most appropriate answer to the question out of the four alternatives.

 


In short, to write a good letter you must approach the job in the lightest and most casual way. You must be personal, not abstract. You must not say, 'This is too small a thing to put down'. You must say, 'This is just the sort of small thing we talk about at home. If I tell them this they will see me, as it were they'll hear my voice, they'll know what I'm talking about'. That is the purpose of a letter. Carlyle had the trick to perfection. He is writing from Scotsbrig to his brother Alec in Canada and he begins talking about his mother. Good old Mother, he says, 'she is even now sitting at my back, trying at another table to write you a small word with her own hand; the first time she has tried such a thing for a year past. It is Saturday night, after dark; we are in the east room in a hard, dry evening with a bright fire to our two selves; Jenny and her Barns are 'scouring up things' in the other end of the house; and below stairs the winter operations of the farm go on, in a subdued tone; you can conceive the scene! How simple it is and yet how perfect. Can not you see Alec reading it in his far-off home and his eyes moistening at the picture of his old mother sitting and writing her last message to him on earth?

 

Subdued tone means _______.

 

A) not very loud B) unusually quiet and possibly unhappy
C) not very busy D) not very bright
 
Answer & Explanation Answer: A) not very loud

Explanation:
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Q:

The diploid generation of the plant life cycle always

A) produces eggs and sperm B) produces spores
C) is called the gametophyte D) develops from a spore
 
Answer & Explanation Answer: B) produces spores

Explanation:
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Q:

The saffron-orange colour of Bhutan’s national flag symbolizes _______________

A) the authority of the king B) the secular power of the country
C) the practice of religion D) the purity of the country
 
Answer & Explanation Answer: C) the practice of religion

Explanation:
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Q:

Indian city that has been chosen by the UN for the Global Continuing City-2025 Program?

A) Hyderabad B) Delhi
C) Bangaluru D) Noida
 
Answer & Explanation Answer: D) Noida

Explanation:

Noida city of India has recently been chosen by the UN for the Global Continuing City-2025 Program.

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Q:

The WHO has launched new Global Influenza Strategy for?

A) 2019 - 2022 B) 2022 - 2025
C) 2019 - 2030 D) 2019 - 2025
 
Answer & Explanation Answer: C) 2019 - 2030

Explanation:
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