Which of the following is an essential file of a MS-DOS boot disk?
COMMANCOM
START.COM
VER.COM
TREE.COM
Correct Answer :
A. COMMANCOM
Related Questions
A program to be executed must be in ---------------
main memory
secondary memory
virtual memory
Read only memory
A SCSI device can transfer up to----------- of information per second.
40 Mbytes
60 Mbytes
40 Gbytes
60 Gbytes
Which of the following is/are external commands?
Edit
Label
Sys
All of above
Bootstrapping is also known as ______
cold-hot boot
hot boot
hot strap
cold boot
____ runs on a computer hardware and serves as a platform for other system to run on
System software
Operating system
Application system
All of above
The primary purpose of an operating system is a …
To allow people to use the computer
To make the most efficient use of computer hardware
To make computer easier to use
To keep system programmer employed
A page fault occurs when
the page is not found in the memory
the page is found in the memory
the Segmentation starts
the Deadlock happens
A sequence of instructions telling the computer what to do is called a_____________
program
language
translator
package
What is the function of radio button?
To select multiple option
To select single option
To select all option
All of above
Transparent RPC mechanism refers to :
Existance of multuple computer visible and a provide a single system image to its users.
It runs the program transparently.
It is a technique to shift the program to other computer.
It is technique in which local procedures and remote procedures are indistinguishable to programmers.
The Basic Input Output System (BIOS) resides in
RAM
ROM
The CPU
Memory Cache
In Multics, a process could have up to 256K segments, but each segment was limited to ___________ 64K words.
64K
32K
1024K
112K
The _________takes any characters from standard input, and then echoes them to standard output.
kill character
cat command
cate command
control command
When you start up the computer the boot up storage at which the BIOS versions manufacturer and data are displayed on the monitor is called
Bootstrap
System configuration
Power on self test (POST)
Kernel loading
The essential difference between an operating system like Linux and one like Windows is that
Linux is a proprietary whereas Windows is not
Windows can run with an Intel processor, whereas Linux cannot
There are multiple versions of Linux, but only one version of Windows
Any programmer can modify Linux code which is not permitted with Windows
Choose the correct statement from the following.
In computer terminology, variables are symbols which stand for some value.
An alternative method for executing the commands in the file backup is to make the file as directory.
The restricted shell gives more control to the system administrator and restricts the options of the user.
The decision making done by computer programs is in the form of conditional execution.
An unauthorized party inserts counterfeit objects into the system is called_________________
interruption
interception
fabrication
modification
In _______, if a processor writes the value 100 to the memory location x, this write operation will only change the contents of its local memory and will not affect the contents of the memory of any other processor.
Tightly coupled systems,
Loosely coupled systems
Parallel processing systems
File management system
In case of good process migration mechanism, _____________ means failure of any node other than the one on which the process is running should not affect the execution of the process.
Robustness
Efficiency
Transparent
Interference
Once text has been cut to the clipboard, you can____hat text into another document
Copy
Paste
Transfer
None of the above
Load balancing algorithms in ______________ class use the processor and process characteristics to allocate processes to nodes.
Static
Dynamic
Deterministic
Probabilistic
What is Dr. Watson?
IT Expert
Diagnosis tool
Surgeon
None
Find out the characteristics of System-oriented names:
They are large integers or bit strings.
They are of the same size
Generally shorter than human-oriented names and are easy for manipulations like hashing, sorting and so on.
All A, B, C
The algorithm should be scalable i.e. _____________.
The system should not enter a state in which nodes spend all their time migrating processes or exchanging control messages without doing any useful work.
The system should be able to handle small and large networked systems.
The algorithm should not be affected by the crash of one or more nodes in the system.
The process assignment decisions should be based on the current load of the system and not on some fixed static policy.
The ______________ unpacks the call receipt messages from local RPC Runtime and makes a perfect local call to invoke the appropriate procedure in the server.
server Stub
server
client
client stub
When a peripheral device needs immediate attention from the operating system, it generates a(n)
Page file
Spool
Stack
Interrupt
The usual su command syntax is
su-pwd
su-pd
su - userID
Sue- ID
Underlined text, such as text and folder names is referred to as
Hyperlink
Menu
Source drive
None of these
______________is responsible for allocating primary memory to processes and for assisting the programmer in loading and storing the contents of the primary memory.
Operating system
Memory manager
Database administrator
RAM
____________ file system allows sharing in multiple different locations grouped under one folder.
Direct
distributed
sequential
parallel