Code: DC03                                                               Subject: COMPUTER FUNDAMENTALS

Time: 3 Hours                                                                                                     Max. Marks: 100

NOTE: There are 9 Questions in all.

· Question 1 is compulsory and carries 20 marks. Answer to Q.1 A. must be written in the space provided for it in the answer book supplied and nowhere else.

· Out of the remaining EIGHT Questions answer any FIVE Questions. Each question carries 16 marks.

· Any required data not explicitly given, may be suitably assumed and stated.

Q.1       Choose the correct or best alternative in the following:                                         (2x10)

a. ________ unit controls the flow and manipulation of data and information.

(A)  Arithmetic logic                            (B)  Central

(C)   Middle                                        (D)  Control

b. Usually, an algorithm will contain a number of procedural steps which are dependent on results of previous steps and is called _______________.

(A)  Flowchart                                    (B)  Chart

(C)  Drawing Chart                              (D)  Food Chart         

             c.   The performance of cache memory is frequently measured in terms of a quantity called:

(A)  bit ratio                                       (B)  nor ratio

(C)   no ratio                                       (D)  hit ratio

             d.   In addition to communicating with I/O, the processor must communicate with the ______________ unit.

(A) control                                        (B)  memory

(C)  Arithmetic                                    (D)  process

             e.   Which of the following was not associated with second generation computers?

(A) high level procedural language       (B)  operating system

(C)  magnetic core and transistor          (D)  All of the above were associated

             f.    Which of the following number system/code uses only 0s and 1s

(A) decimal                                        (B)  octal

(C)  hexadecimal                                 (D)  none of the above

             g.   A group of characters that has some meaning as a unit is known as a

(A) field                                             (B)  file

(C)  record                                          (D)  word

             h.   The process of production of customer list in alphabetical order falls under the category of

                   (A)  editing                                          (B)  sorting

(C)  updating                                       (D)  calculating

             i.    State in case of following statement whether it is true or false?

Magnetic drums and disks are quiet similar in operation.

(A) True                                              (B)  False

             j.    State in case of following statement whether it is true or false?

                   Ink-jet printers are classified as impact printers.

(A) True                                             (B)  False

Answer any FIVE Questions out of EIGHT Questions.

Each question carries 16 marks.

Q.2     a.   Briefly describe memory hierarchy and explain logic for making memory address map.                    (8)

             b.   What is a cache? How it is mapped with main memory?                                      (8)

Q.3     a.   What is Access Mechanism in an optical disk?  Explain with suitable diagram.                     (4)

             b.   What are advantages and limitation of optical disks?                                           (4)

             c.    In a disk pack of 6 disks there are 200 tracks on each surface, each track is divided into 50 sections and each sector contains 512 characters of one byte each. What is the total storage capacity of disk pack in bytes?                                                 (8)

Q.4     a.   What is arithmetic and logic unit? Explain various functions performed by this?                    (8)

b.   What are the functions of a communication software?                                          (4)

c.   Explain, giving two examples, how software can be used as teaching and learning tool?                   (4)

Q.5     a.   What are cursor control devices? Explain working of any one such Device.         (8)

     b.   Explain the difference between an impact and non-impact printer? Which one is advantageous over the other and why?                                             (8)

  Q.6     a.   Write various specific features of Windows operating system.                              (8)

             b.   What do you understand of multitasking and time sharing of system?                  (8)

Q.7     a.   What type of softwares are used for specific application? Explain any one example.            (8)

b.    What is the purpose of CONFIG.SYS and AUTOEXEC.BAT file.                   (8)

Q.8     a.   What is mail merge? Write the steps to be followed in mail merge?                      (8)

             b.   Write applications and advantages of Spread Sheet?                                           (8)

Q.9     a.   Write down the steps of inserting a formula in an EXCEL spread sheet. Which are the mathematical operators, used in Excel’s formula?      (8)

             b.   For the purpose of deleting the file and directory which commands are used in a DOS system? Explain by suitably taking one example.                 (8)