Difference Between Primary memory and Secondary memory

Primary memory and Secondary memory

Primary memory	Secondary memory
Fast  Expensive  Low capacity  closely connected directly to and works with the processor  stored data are quickly and easily  changed  holds the programs and data that the processor is actively working with.	Slow Cheap Large capacity Not connected directly to the processor connected to main memory through the bus and a controller. stored data are easily changed, but changes are slow compared to main memory. used for long-term storage of programs and data.

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Basic Computer Questions and Answers

1. Who is the father of Computers?
a) James Gosling
b) Charles Babbage
c) Dennis Ritchie
d) Bjarne Stroustrup
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2. Which of the following is the correct abbreviation of COMPUTER?
a) Commonly Occupied Machines Used in Technical and Educational Research
b) Commonly Operated Machines Used in Technical and Environmental Research
c) Commonly Oriented Machines Used in Technical and Educational Research
d) Commonly Operated Machines Used in Technical and Educational Research
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3. Which of the following is the correct definition of Computer?
a) Computer is a machine or device that can be programmed to perform arithmetical or logic operation sequences automatically
b) Computer understands only binary language which is written in the form of 0s & 1s
c) Computer is a programmable electronic device that stores, retrieves, and processes the data
d) All of the mentioned
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4. What is the full form of CPU?
a) Computer Processing Unit
b) Computer Principle Unit
c) Central Processing Unit
d) Control Processing Unit
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5. Which of the following language does the computer understand?
a) Computer understands only C Language
b) Computer understands only Assembly Language
c) Computer understands only Binary Language
d) Computer understands only BASIC
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6. Which of the following computer language is written in binary codes only?
a) pascal
b) machine language
c) C
d) C#
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7. Which of the following is the brain of the computer?
a) Central Processing Unit
b) Memory
c) Arithmetic and Logic unit
d) Control unit
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8. Which of the following is not a characteristic of a computer?
a) Versatility
b) Accuracy
c) Diligence
d) I.Q.
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9. Which of the following is the smallest unit of data in a computer?
a) Bit
b) KB
c) Nibble
d) Byte
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10. Which of the following unit is responsible for converting the data received from the user into a computer understandable format?
a) Output Unit
b) Input Unit
c) Memory Unit
d) Arithmetic & Logic Unit

Answer ⇒ ??