Q1. Truncation error is caused by approximating

irrational numbers

fractions

rational numbers

exact mathematical procedures

Q2. A computer that represents only 4 significant digits with chopping would calculate 66.666*33.333 as

2220

2221
2221.17778
2222

Q3. A computer that represents only 4 significant digits with rounding would calculate 66.666*33.333 as

2220
2221
2221.17778
2222

Q4. The truncation error in calculating f'(2) for f(x)=x² by  

with h=0.2 is                     

-0.20

0.20

4.0

4.2

Q5. The truncation error in finding  using LRAM (left end point Riemann approximation) with equally portioned points  -3<0<3<6<9 is        

648
756
972
1620

Q6. The number 1/10 is registered in a fixed 6 bit-register with all bits used for the fractional part.  The difference gets accumulated every 1/10th of a second for one day.  The magnitude of the accumulated difference is

0.082
135
270
5400

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