CBSE Class 11 Computer Science Sample Paper Set 1

Read and download PDF of CBSE Class 11 Computer Science Sample Paper Set 1 designed as per the latest curriculum and examination pattern for Class 11 issued by CBSE, NCERT and KVS. The latest Class 11 Computer Science Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Computer Science Standard 11 which they need to study more to get better marks in Grade 11 exams. After solving these guess papers also refer to solved Class 11 Computer Science Question Papers available on our website to build strong understanding of the subject

CBSE Class 11 Computer Science  Sample Paper Set 1. Based on CBSE and NCERT guidelines. The students should practice these Sample Papers to gain perfection which will help him to get more marks in CBSE examination. Based on the same pattern as released by CBSE every year. CBSE releases sample papers every year. These papers are released prior to the CBSE board examinations so that students can do practice.


Q.No.1:

a.Differentiate between primary memory and secondary memory.. Give examples of each type of memory. 2
A)The memory inside the CPU is primary memory (main memory) and the memory outside it is known as secondary(auxiliary) memory.
Primary Memory: RAM (Random Access Memory) and ROM (Read only Memory) comes under primary memory. RAM is volatile memory and ROM is  non volatile memory. All the data and programs must be stored in RAM for execution. But the content of RAM is not permanent.
Eg: RAM, ROM.
Secondary Memory: Since primary memory has a limited storage capacity and is not permanent, secondary storage devices are used to store large amount of data permanently. There are various types of secondary devices available these days.
Eg: Hard disks, Floppy disks ----- Magnetic Media
CD ROMS, DVDs ----- Optical Media
b. What is the difference between semantics error and syntax error? Give an example of each.
 
A) 1.Syntax Errors: Syntax errors occur when rules of a programming language are misused.
Syntax refers to formal rules governing the construction of valid statements in a language.
Eg: int a,b //Did not keep ; (semicolon) at the end of statement.
2.Semantics Error: Semantic errors occur when statements are not meaningful.
Semantics refers to the set of rules which give the meaning of a statement.
Eg: X * Y = Z;
(Siva plays Guitar is Syntactically and Semantically correct but
Guitar plays Siva is Syntactically correct but Semantically incorrect).
c. What do you meant by a lexical unit? Give an example. 2
 
A) Token: The smallest individual unit in a program is known as a token (Lexical Unit).
There are 5 types of tokens.
(i) Keywords (ii) Identifiers (iii) Literals (iv) Punctuators (v) Operators
d. what is relation between Microprocessor and Microcomputer 2
Ans. Microcomputer is a computer that contain a Microprocessor
e. Briefly Distinguish between a general purpose and special purpose computer 2
 
Q.No.2:
a. What is the shortcut menu ? what is its significance 2
b. What is the significance of Recycle Bin 2
c. Explain the concept of time sharing 2
d. What is meant by the term multiprogramming and multitasking 2.
e .Explain briefly the function performed by an operating system as processor manager. 2
 
 

Refer to attached file for CBSE Class 11 Computer Science  Sample Paper Set 1.

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