Operating System Quiz-4
1 / 50
If the property of locality of reference is well pronounced in a program
2 / 50
Identify false statement
3 / 50
Fork is
4 / 50
In a paged memory, the page hit ratio is 0.35. The time required to access a page in secondary memory is equal to 100 ns. The time required to access a page in primary memory is 10 ns. The average time required to access a page is
5 / 50
If there are multiple recycle bin for a hard disk
6 / 50
In a multi-user operating system, 20 requests are made to use a particular resource per hour on an average. The probability that no requests are made in 45 minutes is
7 / 50
In paged memory systems, if the page size is increased, then the internal fragmentation generally
8 / 50
Internal commands in DOS are
9 / 50
In Windows, start button is used to
10 / 50
In which of the following scheduling policies does context switching never take place?
11 / 50
FIFO scheduling is
12 / 50
Memory
13 / 50
IT stands for ?????..
14 / 50
How many types of multiprocessing models are there?
15 / 50
In a folder, which of the following key is used to rename the file or folder
16 / 50
hich of the following is/are file extension(s) in DOS?
17 / 50
In which of the following directory systems, is it possible to have multiple complete paths for a file starting from the root directory?
18 / 50
Embedded operating system used
19 / 50
Generally quick launch toolbar is displayed on
20 / 50
Interprocess communication
21 / 50
Fragmentation of the file system
22 / 50
In Round Robin CPU scheduling, as the time quantum is increased, the average turn around
23 / 50
Distributed processing involves
24 / 50
If the displayed system time and date is wrong, you can reset it using
25 / 50
It refers to the process of managing various devices connected to the computer. So here ?it? refers to
26 / 50
In virtual memory systems, Dynamic address translation
27 / 50
MAC stands for
28 / 50
for that hard disk is
29 / 50
Extension name may be ___ to ___ characters.
30 / 50
Disk scheduling involves deciding
31 / 50
It is used to explorer the contents of computer, drives as well as manage files
32 / 50
In analyzing the compilation of PL/I program, the term ?Lexical analysis? is associated with
33 / 50
Fragmentation is
34 / 50
35 / 50
Kernel is
36 / 50
In MS-DOS what command you will use to display system date?
37 / 50
In UNIX, name the system call which create(s) the new process?
38 / 50
For printing a document, the Operating System first makes a ____ of the file and then hands over the control back to the application.
39 / 50
If you need to duplicate the entire disk, which command will you use?
40 / 50
First-in-First-Out (FIFO) scheduling is
41 / 50
If the displayed system time and date are wrong, you can reset it using
42 / 50
How do you connect internet in your system?
43 / 50
Dived logical memory into blocks with the same size as frames are called
44 / 50
Maximum length of DOS command using any optional parameter is
45 / 50
Linux is a(n) ??. operating system
46 / 50
Fonts install from
47 / 50
LCD stands for
48 / 50
In DOS, the maximum length of filename is
49 / 50
In which addressing mode the effective address of the operand is the contents of a register specified in the instruction and after accessing the operand, the contents of this register is incremented to point to the next item in the list?
50 / 50
External command is DOS are
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