Exercise: Operating Systems Concepts

Questions for: Operating Systems Concepts

Under virtual storage,
A:
a single program is processed by two or more CPUs
B:
two or more programs are stored concurrently in primary storage
C:
only the active pages of a program are stored in primary storage
D:
interprogram interference may occur
Answer: C
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In which addressing mode, the address of the location of the operand is given explicitly as a part of the instruction.
A:
absolute mode
B:
immediate mode
C:
index mode
D:
modulus mode
Answer: A
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The term 'polling' in a computer means a process by which a computer system
A:
detects/corrects errors
B:
multiplexes the inputs and updates the memory accordingly
C:
decides correct alternative by analysing several ones
D:
inquires to see if a terminal has any transaction to send
Answer: D
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A form of code that uses more than one process and processor, possibly of different type, and that may on occasions have more than one process or processor active at the same time, is known as
A:
multiprogramming
B:
multi threading
C:
broadcasting
D:
time sharing
Answer: B
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Link encryption
A:
is more secure than end-to-end encryption
B:
is less secure than end-to-end encryption
C:
can not be used in a public network
D:
is used only to debug
Answer: B
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