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Operating System
1081
Computer Science Fundamentals
998
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OS I/O Systems
The ________ keeps state information about the use of I/O components.
CPU
OS
kernel
shell
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OS Distributed File Systems
What are sites in network topology compared?
Basic cost
Communication cost
Reliability
All of the mentioned
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Computer Science Fundamentals
A program that reads each of the instructions in mnemonic form and translates it into the machine-language equivalent.
Machine language
Assembler
Interpreter
C program
Assembler does this job. A language that uses mnemonic codes for the representation of machine-language instructions is called assembly language.
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OS Memory Management
A solution to the problem of external fragmentation is ____________
compaction
larger memory space
smaller memory space
none of the mentioned
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OS Memory Management
When the entries in the segment tables of two different processes point to the same physical location ____________
the segments are invalid
the processes get blocked
segments are shared
all of the mentioned
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Computer Science Fundamentals
The number of characters/second that can be transmitted to the memory from the tape is denoted by the term.
Data transfer rate
Transmission mode
Transmission rate
Data mode
Transfer rate measurement unit is bytes/second(bps). Value depends on the data recording density and the speed with which the tape travels under the read/write head.
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Computer Science Fundamentals
Interpreter is used as a translator for __________
Low level language
High Level Language
COBOL
C
It is generally used to make the code into an machine understandable format. Interpreter is used with the high level languages similarly. Assembler is used in case of low level languages.
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Computer Science Fundamentals
The interval between the instant a computer makes a request for the transfer of data from a disk system to the primary storage and the instance this operation is completed is called _________
Disk arrival time
Disk access time
Drive utilization time
Disk utilization time
The interval is referred to as the disk arrival time. It depends on several parameters. Generally, a computer makes a request and the operation is served.
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Computer Science Fundamentals
Which of the following is not a property of TRAP interrupt in microprocessor?
It is a non-maskable interrupt
It is of highest priority
It uses edge-triggered signal
It is a vectored interrupt
TRAP interrupt in 8085 microprocessor uses both level and edge-triggered clock because it is of highest priority among all the interrupts.
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Computer Science Fundamentals
Cache Memory is implemented using the DRAM chips.
True
False
The Cache memory is implemented using the SRAM chips and not the DRAM chips. SRAM stands for Static RAM. It is faster and is expensive.
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