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Q:

What is the difference between microprocessor and micro-controller?

Answer

In microprocessor more op-codes, few bit handling instrucitons. But in Microcontroller. fewer op-codes, more bit handling Instruction, and also it is defined as a device that includes micro processor, memory, & input / output signal lines on a single chip.


the basic architectual difference is that microcontroller has an programmable memory while it is not the case with mivroprocessors.

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Subject: Hardware

Q:

Showing the man receiving the prize, Saroj said, "He is the brother of my uncle's daughter." Who is the man to Saroj ? 

A) Son B) Cousin
C) Nephew D) Brother-in-law
 
Answer & Explanation Answer: B) Cousin

Explanation:

Brother of uncle's daughter — Uncles son — Cousin.

So, the man is Seema's cousin. 

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Filed Under: Blood Relations

Q:

Pointing to a man on the stage, Rita said, "He is the brother of the daughter of the wife of my husband." How is the man on the stage related to Rita ? 

A) Son B) Husband
C) Nephew D) Brother-in-law
 
Answer & Explanation Answer: A) Son

Explanation:

Wife of husband — Herself; Brother of daughter — Son. So, the man is Rita's son. 

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Filed Under: Blood Relations

Q:

Differ between static and dynamic RAM?

Answer

Static RAM: no refreshing, 6 to 8 MOS transistors are required to form one memory cell, information stored as voltage level in flip flop. 


Dynamic RAM: refreshed periodically, 3 to 4 transistors are required to form one memory cell, information is  stored as a charge in the gate to substrate capacitance.

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Subject: Hardware

Q:

What is called scratch pad of computer?

Answer

Cache Memory is scratch pad of computer.

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Subject: Hardware

Q:

Which transistor is used in each cell of EPROM?

Answer

Floating gate avalanche injection MOS (FAMOS) transistor is used in each cell of EPROM.

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Subject: Hardware

Q:

Differentiate between RAM & ROM?

Answer

RAM: Read / Write memory, High Speed, Volatile Memory.


ROM: Read only memory, low speed, non volite memory.

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Subject: Hardware

Q:

What is flag?

Answer

Flag is a flip-flop used to store the information about the status of a processor and the status of the insturction executed most recently.


A software or hardware mark that signals a particular condition or status. A flag is like a switch that can be either on or off. The flag said to be set when it is turned on.

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Subject: Hardware