User:Neeti m/B.Sc.(H)Chemistry-part-II/House Exam Computer XII-2010
- Write the full form of the following:
(i) ALU(ii) MOS(iii) PDF(iv) ASCII(v)BASIC
2 Which of the following cannot be used as file name in BASIC. Give reason.
(i) New(ii) Maxwell(iii) Boltzman1(iv) 12chem(v) hello
3 Write commands for the execution of the following jobs on a computer in DOS.
- Copying a file MYFILE.BAS from C drive to D drive as MYFILE2.BAS
- Viewing all the files in C drive together with their details, page wise.
4 Specify which of the following can be used as input or output or both devices?
- Scanner (ii) Keyboard (iii) Monitor (iv) DVD (v) Printer (vi) Hard disk
5 (a) Write the following numbers as normalized floating point numbers
(i) –24689(ii) 0.000789
(b) Express the following numbers as decimal numbers
(c) Express the following as BASIC expressions
(i) x3+Cax2 −(Ka +Ca.Kw)x +KaKw(ii) V = nRT/(P + an2/ V2)+nb
6 (a)Write a program in BASIC to find the sum of first N natural numbers and the sum of the square roots of first N natural numbers.
(b)Give the use of the following commands