Computer Fundamentals — DU B. Voc – Software Development Previous Year Question Papers

(a) What do you understand by Data Visualization? Explain 2 data visualization tools in excel with example. ( 10) (b) Perform the following operations: (i) Add (1010110), and (10011001), (ii) Subtract (l0l011ll), from (10010111), (a) Write short notes on the following : (i) Google scholar (iii) heterogeneous Storage (b) What do you mean bY "BIGDATA" Explain any (a) Give full forms of (b) Define cache hit and cache miss. (2) (c) What is CPU's working memory and why is it called as the working memory? (2) (d) What is an OMR device? Describe one of its applications. (2) (e) Explain any 2 disadvantages of a Computer (g) Give the 2's Complement of (110101I101), (a) What is Operating System? Explain any two functions of operating system. Briefly explain types of Scanners and printers. (10) (b) What is storage device in computer system? Explain primary and secondary storage devices with example. (5) 3. (a) Perform the following conversions : (b) Write short notes on: (a) Explain various types of computers on the basis of data handling capabilities. Distinguish between sequential access memory and random access memory. ( 10) (b) What are registers? What are the commonly found registers in the CPU and Explain the functions of any one of them. (5)