Questions

Q:

Why is February 28th celebrated as National Science Day ?

Answer

It was on February 28th, 1928 that CV Raman announced  his discovery of New radiation-subsequently named the Raman Effect- that won him the Noble prize.

Report Error

View answer Workspace Report Error Discuss

2 3239
Q:

Wind and solar energy are examples of

A) Non renewable B) Renewable
C) Unsustainable D) Limited
 
Answer & Explanation Answer: B) Renewable

Explanation:

Many types of renewable energy resources such as wind and solar energy are constantly replenished and will never run out.

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

1 3238
Q:

If the following structure is written to a file using fwrite(), can fread() read it back successfully?

struct emp

{

    char *n;

    int age;

};

struct emp e = { "Sujay",15};

FILE *fp;

fwrite (&e, sizeof (e), 1, fp);

Answer

No, since the structure contains a char pointer while writing the structure to the disk using fwrite() only the value stored in the pointer n would get written. When this structure is read back the address would be read back but it is quite unlikely that the desired string would be present at this address in memory

Report Error

View answer Workspace Report Error Discuss

Subject: Programming

0 3238
Q:

The insects do not have blood pigments because 

A) there is no blood B) tissues have pigments
C) blood does not have a respiratory function D) pigments are elsewhere
 
Answer & Explanation Answer: C) blood does not have a respiratory function

Explanation:

The blood of some invertebrate animals like the earthworm is red due to haemoglobin pigment, but the pigment is dissolved in the plasma. In vertebrates the same pigment is found in the red corpuscles and not in the plasma.

Report Error

View Answer Report Error Discuss

Filed Under: Biology

3 3238
Q:

Shock resisting steels should have

A) toughness B) low wear resistance
C) low tensile strength D) low hardness
 
Answer & Explanation Answer: A) toughness

Explanation:

Shock resisting steels should have toughness.

S-5 is a silico-manganese shock resisting steel that offers good ductility.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

0 3238
Q:

Which of the following does not influence haemoglobin saturation?

A) Nitric oxide B) Carbon dioxide
C) Temperature D) DPG
 
Answer & Explanation Answer: A) Nitric oxide

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

4 3237
Q:

Suppose you have a computional circuit between two registers driven by a clock. What will you do if the delay of the combinational circuit is greater than your clock signal?

Answer

Use the concept of register-retiming.


divide the totla combinatorial delay in two segments such that individually the delay is less the clock period.


this can be done by inserting a flip-flop in the combinational path.


e.g.,


clock period --- 5 ns


total cominational delay ---- 7


then divide the 7ns path in two path of 4 or 3 (best resutls are obtained if delays are  same for both path i.e 3.5ns) by inserting a flip-flop in between.

Report Error

View answer Workspace Report Error Discuss

Subject: Hardware

0 3237
Q:

Why was the 1955 UN General Assembly called "Menon Session" or "Menon Assembly"?

Answer

Because V K Krishna Menon spoke for 13hours continuously while representing india.

Report Error

View answer Workspace Report Error Discuss

3 3235