CBSE Class 11 Computer Science Sample Paper Set R.Sample Papers are the very important for every student. The sample papers should be practiced to gain extra marks in examinations. The sample papers have been prepared based on summative assessment1 and summative assessment 2 pattern. The sample papers have been prepared based on pattern of last year examinations and as per latest changes in the syllabus. Students, teachers and parents can download all CBSE educational material and very well prepared worksheets from this website. All CBSE educational material is developed by our panel of teachers, have also been submitted by CBSE teachers and students.
a. Give a command to delete files with extension .BAT from directory OLD. The command must confirm before deleting files.
b. Explain briefly the difference between
1)COPY and XCOPY command.
2)strcat() and strcmp()
c. Why is it important to include iostream.h in c++ programs?
d. What are escape sequences ?mention 5 of them
e. Differentiate between 1, ‘1’, “1”
2.a. How 2’s complement of number is obtained? Explain with help of an example.
b. Make a binary addition of 12 and 24.
c. Give header files for setprecision(),sizeof() , cos(), floor() , isupper() , strlen()
d. Convert the following numbers into its equivalent codes.
i. (0011.01)2 = (?)8
ii. (2b7)16 = (?)2
iii. (342)8 = (?)10
i. (EA5A)16 -> (?)8
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