WBCHSE HS Modern Computer Application case studies
WBCHSE HS Modern Computer Application · Put your knowledge to work in context.
Modern Computer Application is an elective subject offered at the Higher Secondary stage by the West Bengal Council of Higher Secondary Education, studied across Classes XI and XII alongside a candidate's main stream. It suits students who want a computing qualification on their HS marksheet without committing to a science-only route: commerce and arts candidates take it regularly, and science students often pair it with Mathematics or Computer Science. The WBCHSE HS Modern Computer Application case studies are 5 cases and about 4,174 words.
1The Weather Cube: Invalid BCD States and Two's Complement Displays
The 'Digital Weather Cube' built by a Class XII team for the district science fair has two independent displays. The visitor counter uses a 4-bit BCD decade counter driving a seven-segment display; after the 999th visitor is counted, the next pulse produces the bit pattern 1010 at the counter output and the display shows a meaningless symbol until the team presses the manual reset.
823 words, about 4 min2The Sports Day Average That Changes on Every Run
A Class XII student volunteers to computerise the annual sports day scoreboard. Marks for seven events are stored in an integer array and the program must print the class average to two decimal places.
791 words, about 4 min3Why the Coaching Centre's 'Official' Average Is Inflated
Green Valley Coaching Centre stores its Class XII test data in two tables. STUDENT has 45 rows, one per enrolled student (ROLL is the primary key).
847 words, about 4 min4Cabling the Annexe: Three Rooms on One /24
St Xavier's annexe building is being cabled for a small computer laboratory. The ISP allocates one block, 192.168.50.0/24, and the network is split by room: Laboratory 58 PCs, Library 20 PCs, Admin office 12 PCs, plus 3 shared printers that sit in the Admin room.
838 words, about 4 min5The Annual-Day Gallery That Takes 41 Seconds
Green Valley School uploads its annual-day pages to the school web space. The gallery page is at http://www.greenvalley.edu/annualday/gallery.html and the photographs and the school crest are kept in http://www.greenvalley.edu/assets/img/.
875 words, about 4 min