Answer:
DOS: Disk Operating System. DOS was the computer operating system used in the early days of computing and was extended to PC-DOS by Bill Gates when Microsoft was asked by IBM to develop an operating system for the IBM personal computers.
Microsoft Windows. Microsoft Windows is likely the most well-known and common computer operating system in the world today.
Task manager
.............................
Answer:
Opcode = 3
Mode =2
RegisterRegister =7
AR = 20
Explanation:
a) Number of addressing modes = 4 = 22 , So it needs 2 bits for 4 values
Number of registers = 65 = 1000001 in binary , So it needs 7 bits
AR = 20
Bits left for opcode = 32 -(2+7+20) = 3
Answer:
The Microsoft Excel ROUND function returns a number rounded to a specified number of digits.
The ROUND function is a built-in function in Excel that is categorized as a Math/Trig Function. It can be used as a worksheet function (WS) in Excel. As a worksheet function, the ROUND function can be entered as part of a formula in a cell of a worksheet.
The syntax for the ROUND function in Microsoft Excel is:
ROUND( number, digits )
Answer:
Many fonts fit this category.
Explanation:
Wingdings/webdings, that one font that is made of llamas, and worst of all, comic sans, are not practical for writing.
