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Memory Organization | Computer Science Objective Questions with Answers

1 Cache memory is used in a computer system to
A Ensure fast booting
B Replace static memory
C Replace hard-disk
D Speed-up memory access

Answer: Option [D]
2 Virtual memory of a computer system may be
A of unlimited size.
B As big as maximum addressing capability of the computer system.
C of size equivalent to total capacity of secondary storage plus size of RAM.
D None of the above

Answer: Option [B]


3 Which of the following memories is not possible?
A 10-bit address, 12-bit cell size, 1024 cells
B 9-bit address, 8-bit cell size, 1024 cells
C 11-bit address, 1024-bit cell size, 1024 cells
D None of the above

Answer: Option [B]

10-bit address can address upto 1024 cells. But in option {B} there are 9-bits. It is not possible because 210=1024 cells

4 Which of the following is not an advantage of Dynamic RAMs
A High density
B Low cost
C High speed
D No need of memory refresh

Answer: Option [D]
5 A computer stores data in memory in
A decimal form
B octal form
C hexadecimal form
D binary form

Answer: Option [D]

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