1)Specify any one type of charts available in spreadsheet. Answer: Bar graph, Column graph, Pie chart, Line graph, etc. 2)Give any one built-in function of spread sheet. Answer: SUM(range) : This function returns the sum of all the numbers in the list of arguments. Example: =SUM(A2:E2) 3)What are macros in ESS? Answer: Macro is a small program that caries out pre-defined series of steps by giving a few keyboard shortcuts. Macro is like a batch file created in dos. It contains a series of commands. When a macro is called and run, the instructions given in it are executed one by one. 4)Differentiate between MAX( ) and MIN( ) built-in functions in a spread sheet. Answer: MAX(num 1, num 2,……) : Returns the largest value in a set of values. Example: =MAX(15, 25, 8, 14) returns 25 MIN(num 1,num 2……) : Returns the lowest value in a set of values. Example: =MIN(15, 25, 8, 14) returns 8 5)Explain briefly built in functions in spreadsheet. Answer: SUM(range) : this function returns the sum of all the numbers in the list of arguments. Example: =SUM(A2:E2) ABS(number) : It returns absolute value of a number. Example: =ABS(-35)=35 SQRT(number) : This function returns a positive square root. Example: =SQRT(5) equals 2.1928. AVERAGE(num 1, num 2……) : Returns the average of the set of numbers. Example: =AVERAGE(15, 25, 50) returns 30. 6)Explain Arithmetic functions of MS-Excel. Answer: SUM(range) : this function returns the sum of all the numbers in the list of arguments. Example: =SUM(A2:E2) ABS(number) : It returns absolute value of a number. Example: =ABS(-35)=35 SQRT(number) : This function returns a positive square root. Example: =SQRT(5) equals 2.1928. PRODUCT(num1, num2…) : It returns the product of all the numbers given as arguments. Example: =PRODUCT(5,8,2)=80 7)Explain DATE functions used in spreadsheets. Answer: DAY(serial number) : It returns the day of the days corresponding to serial number or date. Example: DAY (“5-jan”)=5 MONTH(serial number) : It returns the month corresponding to serial number or date. Example: MONTH(“6-may”)=5 NOW( ) : This function returns the serial number of the current date and time. DATE(year, month, day) : Returns the serial number of a particular date. Example: DATE: (2005,3,23) returns 38434. 8)Briefly explain advantages of spreadsheet. Answer: i. Built-in Functions: It has rich set of built-in functions to perform all types of calculations such as sum, max, abs, product, etc., ii. Copying formula: Similar formula can be copied into any number of cells. iii. Fill series: It is used to fill automatically fill numbers or data in a series of cells. iv. Sorting: The data can be arranged in a specific order in a table. 9)Explain Logical functions in Ms-Excel. Answer: 1. AND(logical1, logical2………) : This function returns TRUE if all its arguments are true, returns FALSE if one or more arguments are FALSE. Example: =AND(3<5, 8=8) returns TRUE =AND(3>5, 8=8) returns FALSE 2. OR(logical, logical 2………) : It returns TRUE if one or more arguments are TRUE, returns FALSE if all its arguments are FALSE. Example: =OR(3<5, 8<>8) returns TRUE =OR(3>5, 8<>8) returns FALSE 3. NOT(logical) : Reverses the value of its arguments. Example: =NOT(3<5) returns FALSE =NOT(3>5) returns TRUE 4. If(logical-test, value1, value2) : It returns value1 if logical test is true. If logical test is false it returns value2. Example: =If(85>80, “Dist”, “I Class”) returns “Dist” =If(40>50, 100, 200) returns 200 |
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Wednesday, August 13, 2014
MS-Excel
Sunday, August 3, 2014
MOTHERBOARD
What is motherboard ? Or Short Note on motherboard. Answer:- 1)Motherboard specifically refers to a printed circuit board(PCB) with expansion capability and as the name suggests, this board is the "mother" of all components attached to it, which often include sound cards, video cards, network cards, hard drives, or other forms of persistent storage; TV tuner cards, cards providing extra USB or FireWire slots and a variety of other custom components . 2)It is the main circuit board in a computer. 3)A motherboard provides a way for hardware in a computer to communicate with each other. 4)The term mainboard is applied to devices with a single board and no additional expansions or capability, such as controlling boards in televisions, washing machines and other embedded systems. 5)An important component of a motherboard is the microprocessor's supporting chipset, which provides the supporting interfaces between the CPU and the various buses and external components. This chipset determines, to an extent, the features and capabilities of the motherboard. 6)It holds many of the crucial electronic components of the system, such as the central processing unit (CPU) and memory, and provides connectors for other peripherals. 7)Motherboards contain some non-volatile memory to initialize the system and load some start up software, usually an operating system, from some external peripheral device. |
Figure :- Motherboard
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