Answer the following questions (Attempt any six)
a) What are two major components of a computer? Explain them in brief.
b) What is the main unit of computer? What is its function?
c) Explain Number System and its commonly used types.
d) Write the rule to multiply two binary numbers.
e) Write down the features of
MS-Excel
f) Explain any two methods for copying data.
g) What is a motherboard? What does it contain?
correct answer mark as BRAINLIEST
Answers
Answer:
(1)Computer systems consist of three components :
Central Processing Unit
Input devices
Output devices.
Input devices provide data input to processor, which processes data and generates useful information that’s displayed to the user through output devices. This is stored in computer’s memory.
(2) CPU simple copy and move
its functions are
it is a brain of a computer that process all the instruction given to the computer. it solves all calculation and display the result on the monitor.
(3)The technique to represent and work with numbers is called number system.
Decimal system
Binary system
Octal system
Hexadecimal system
(4)For binary multiplication, we follow the same process as multiplying two decimal numbers where we multiply each digit of the second number by the first whole number, then we just need to add them, switching each resulting multiplication one digit to the left.
(5)These are some features of Ms excel, PivotTables Filtering and sorting data Excel Tables Conditional formatting Lookup Excel functions Array Formulas Data Analysis Excel Tools
(6) simple copy and move
the easiest way to move or copy a cell or a group of cell is by selecting a cell or cells to be move or copy, then using the mouse to drag a selection box to a new location
(7)A motherboard is the main printed circuit board in general-purpose computers and other expandable systems
It holds and allows communication between many of the crucial electronic components of a system, such as the central processing unit (CPU) and memory, and provides connectors for other peripherals.