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. A Compiler is _____________________.

(A)  a combination of computer hardware

(B)  a program which translates from one high-level language to another

(C)   a program which translates from one high-level to a machine level

(D)  None of these

b. When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits

(A)  ANSI                                          (B)  ASCII

(C)  EBCDIC                                      (D)  ISO        

             c.   Which of the following is not an output device?

(A)  Scanner                                       (B)  Printer

(C)   Flat Screen                                  (D)  Touch Screen

             d.   The memory location address are limited to

(A)  00000 to 9ffff(16)                       (B)  00001 to 9ffff(16)

(C)  00010 to 9ffff(16)                        (D)  10000 to 9ffff(16)

             e.   The programs which are as permanent as hardware and stored in ROM is known as                                  

(A) Hardware                                    (B)  Software

(C)  Firmware                                     (D)  ROMware

             f.    Memory is made up of

(A) Set of wires                                  (B)  Set of circuits

(C)  Large number of cells                   (D)  All of these

             g.   Using Find command in Word, we can search

(A) characters                                    (B)  formats

(C)  symbols                                        (D)  All of the above

h.   MS-Word automatically moves the text to the next line when it reaches the right edge of the screen and is called

(A) Carriage Return                            (B)  Enter

(C)  Word wrap                                  (D)  None of the above

             i.    MS-EXCEL can be used to automate

(A)  Financial statements, Business forecasting      

(B)  Transaction registers, inventory control

(C)  Accounts receivable, accounts payable          

(D)  Any of the above

             j.    Command to delete all files and folders is _______________.

                   (A)  Deltree                                         (B)  Del

(C)  Remove                                       (D)  CD

Answer any FIVE Questions out of EIGHT Questions.

Each question carries 16 marks.

Q.2     a.   Write a note on capabilities and limitations of a computer.                                   (4)

             b.   What is a Super Computer? Give an example?                                                   (4)

c.   Perform the following conversions:-

(i)    to Octal.

                   (ii)   to Hexadecimal.

                   (iii)  to Decimal.

                   (iv)  to Decimal.                                                                                 (8)

Q.3     a.   Explain the term single address, two address, three address and four address instructions.               (8)

             b.   Write a small machine language program for a two address computer to add two numbers and output the sum.                                                    (8)

Q.4     a.   What are main characteristics of a memory cell?                                                 (4)

b.   What is the size of MAR of a 16KB memory? Assume that the word size is 1 byte.            (4)

c.   Draw a block diagram of a memory which has 8 words of 4 bits each.                (8)

Q.5     a.   How is data recorded on a CDROM? How is it read?                                        (8)

     b.   If a hard disk rotates at 3600 rpm and surface recording density on it is 1Mbpi, what is the data transfer rate of the disk?                                          (4)

             c.   Define the terms “Seek time” and “Latency time” of a magnetic disk.                   (4)

  Q.6     a.   Explain the working of voice recognition devices? What are its applications?                       (8)

             b.   Categorize and explain in detail the different types of mouse devices.                  (8)

Q.7     a.   Explain the working of Thermal and Crystal based inkjet printers.                        (8)

b.    Explain with the help of a diagram, the major components of a CRT monitor.                     (8)

Q.8     a.   Differentiate between single-user and multiuser operating system?                        (5)

             b.   Briefly define Multiprocessing and Multiprogramming.                                         (5)

c.   Compare XCOPY, DISKCOPY and copy commands in DOS.                         (6)

Q.9     a.   What is the advantage of mail merge.    (5)

             b.   Write the steps for creation of bar charts of annual sale of a company having five products.             (5)

c.   What is a graphics package?  List and explain the features normally supported by a graphics package.                                                                   (6)