Answer the following questions.
a. Write down the differences between INPUT and LET statements.
b. What is the use of Mail Merge feature?
c. Write down the differences between Primary Memory and Secondary Memory.
d. Write a short note on Dot Matrix Printer and Laser Printer,
Answers
Answer:
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Answer:
A While the PRINT statement lets your program give information (the “answer”) to the user, the INPUT statement lets the user give information (the “question”) to your program.
B Mail Merge is a handy feature that incorporates data from both Microsoft Word and Microsoft Excel and allows you to create multiple documents at once, such as letters, saving you the time and effort of retyping the same letter over and over.
C Primary / Main memory:
Primary memory is the computer memory that is directly accessible by CPU. It is comprised of DRAM and provides the actual working space to the processor. It holds the data and instructions that the processor is currently working on.
Secondary Memory / Mass Storage:
The contents of the secondary memory first get transferred to the primary memory and then are accessed by the processor, this is because the processor does not directly interact with the secondary memory.
D. Laser Printer :
Laser Printer is a type of Non-Impact Printer which prints characters or images without striking paper. It is Introduced by Digital Equipment Corporation in1970. It provides a high speed and high quality printing than Dot Matrix printer.
Dot Matrix Printer :
Dot Matrix Printer is a type of Impact Printer which prints characters or images by striking print hammer or wheel against an inked ribbon. It is invented by Gary Starkweather in 1969. It provides a slow speed and low quality printing than Laser printer.