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Operating System
1081
Computer Science Fundamentals
998
Show/Hide Answers
OS File Systems and Their Implementation
The file organization module knows about _____________
files
logical blocks of files
physical blocks of files
all of the mentioned
Author:
rikazzz
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OS Memory Management
With relocation and limit registers, each logical address must be _______ the limit register.
less than
equal to
greater than
none of the mentioned
Author:
rikazzz
Comment
OS Memory Management
For larger page tables, they are kept in main memory and a __________ points to the page table.
page table base register
page table base pointer
page table register pointer
page table base
Author:
rikazzz
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OS Mass-Storage Structures
Magnetic tape drives can write data at a speed ________ disk drives.
much lesser than
comparable to
much faster than
none of the mentioned
Author:
rikazzz
Comment
OS Multimedia Systems
The ability to move around within a media stream is known as ___________
buffering
random access
access
sequential access
Author:
rikazzz
Comment
Computer Science Fundamentals
Telephone networks operate in this mode.
simplex
half duplex
full duplex
semi-duplex
Telephone networks operate in full duplex mode. It can transmit data in both the directions.
Author:
rikazzz
Comment
Computer Science Fundamentals
What does a loader do in a microprocessor?
Converts hexadecimal code to binary
Converts decimal to binary
Increments the content of the program counter by 1
Decodes an opcode
Microprocessor understands only 0s & 1s. So, a loader first converts hexadecimal code to binary form and then loads it to the memory.
Author:
rikazzz
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OS CPU Scheduling
Preemptive Shortest Job First scheduling is sometimes called ____________
Fast SJF scheduling
EDF scheduling – Earliest Deadline First
HRRN scheduling – Highest Response Ratio Next
SRTN scheduling – Shortest Remaining Time Next
Author:
rikazzz
Comment
OS The Linux System
The _______ maintains pending and blocked bit vectors in the context of each process.
CPU
Memory
Process
Kernel
Author:
rikazzz
Comment
Computer Science Fundamentals
A transmission that generally involves dedicated circuits.
simplex
half duplex
full duplex
semi-duplex
The answer is simplex. Simplex generally involves dedicated circuits. TV broadcasting is an example.
Author:
rikazzz
Comment
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