What do you mean by Memory Compaction?


Options: Combine multiple equal memory holes into one big hole B. Combine multiple small memory holes into one big hole C. Divide big memory hole into small holes D. Divide memory hole by 2

Ans:– B ,






More Operating System Related questions:


What is the algebraic sum of this series of values:+2, -3, -6,+4?
Options: -6,    -3,    0,    +2

Ans:B ,B


The new organization established to implement the Fifth Generation Project is called:
Options: ICOT (Institute for New Generation Computer Technology),    MITI (Ministry of International Trade and Industry),    MCC (Microelectronics and Computer Technology Corporation),    SCP (Stategic Computing Program)

Ans:A ,A


Which of the following is used as a primary storage device?
Options: Magnetic drum,    PROM,    Floppy disk,    All of the above

Ans:B ,B


. A number system that has eight different symbols to represent any quantity is known as

Options: A) Binary B) Octal C) Decimal D) Hexadecimal

Ans:B,B


Point out the correct statement will let you access the elements of the array using 'p' in the following program? #include<stdio.h> #include<stdlib.h> int main() { int i, j; int(*p)[3]; p = (int(*)[3])malloc(3*sizeof(*p)); return 0; }
Options: for(i=0; i<3; i++) { for(j=0; j<3; j++) printf("%d", p[i+j]); } ,    for(i=0; i<3; i++) printf("%d", p[i]); ,    for(i=0; i<3; i++) { for(j=0; j<3; j++) printf("%d", p[i][j]); } ,    for(j=0; j<3; j++) printf("%d", p[i][j]);

Ans:C ,C


What is the main purpose of a data link content monitor?
Options: to detect problems in protocols,    to determine the type of transmission used in a data link,    to determine the type of switching used in a data link.,    to determine the flow of data

Ans:A ,A


What is the maximum font size you can apply for any character?
Options:  A) 163, B) 1638, C) 16038, D) None of above,

Ans:-B,-B


. One computer that is not considered a portable is
Options: A) Minicomputer B) Laptop computer C) Notebook computer D) All of above

Ans:A,A


. You can use the formula pallette to
Options: a.  format cells containing numbers b.  create and edit formula containing functions c.  enter assumptions data d.  copy a range of cells

Ans:– b,– b


To select a block of text, click at the beginning of the selection, scroll to the end of the selection, position the mouse pointer at the end of the selection, hold down the _____ key, and then click (or drag through the text).
Options: a. ctrl b. alt c. shift d. tab

Ans:– c,– c


. You can open the consolidate dialog box byt choosing Consolidate from the ….. menu.
Options: a. Insert b. Format c. Tools d. Data

Ans:– d,– d


What will be the output of the program? #include<stdio.h> #include<stdlib.h> int main() { union test { int i; float f; char c; }; union test *t; t = (union test *)malloc(sizeof(union test)); t->f = 10.10f; printf("%f", t->f); return 0; }
Options: 10,    Garbage value,    10.100000,    Error

Ans:C ,C


. Which of the following is not a system tool?
Options: a. Scandisk b. Drive space c. Disk defragmenter d. Doskey

Ans:4 – d ,4 – d


Which of the following is used for input and output both
Options: Graph plotter,    Teletype terminal,    Line printer,    All of the above

Ans:B ,B


A hardware device that is capable of executing a sequence of instructions, is known as
Options: CPU,    ALU,    CU,    Processor

Ans:D ,D


A Transportation Problem in which the total supply available at the origins exactly satisfies the total demand required at the destinations is known as:
Options: Degenerate Solution,    Balanced Transportation Problem,    Unbalanced Transportation Problem,    All of the above

Ans:B ,B


. MS Excel provides the default value for step in Fill Series dialog box
Options: a.  0 b.  1 c.  5 d.  10

Ans:– b,– b


What is the maximum number of lines you can set for a drop cap?
Options:  A) 3, B) 10, C) 15, D) 20,

Ans:-B,-B


Which of the following is a type of systems software used on microcomputers?
Options: MS-DOS,    PC-DOS,    Unix,    All of the above

Ans:D ,D


Which of the following data structure cant store the non-homogeneous data elements?
Options: a. Arrays b. Records c. Pointers d. None  

Ans:a,a


. Which one is the last column header in Excel 2007?
Options: a. XFD b. XFX c. XFL d. XFT

Ans:– a,– a


A storage system for small amounts of data is
Options: Magnetic card,    Magnetic tape,    Punched card,    Optical mark reader

Ans:A,(Aanswer


What do the following declaration signify? char **argv;
Options: argv is a pointer to pointer.,    argv is a pointer to a char pointer.,    argv is a function pointer.,    argv is a member of function pointer.

Ans:B ,B


. Which of the following features should you use when typing in the notes text box?
Options: a. Slide shows b. Insert c. Slide master d. Zoom

Ans:4 – D ,4 – D


. Which of the following registers is used to keep track of address of the memory location where the next instruction is located?

Options: A) Memory address register B) Memory data register C) Instruction register D) Program counter

Ans:D,D


The chunks of a memory are known as
Options: Sector B. Offset C. Page D. Frame

Ans:– D ,


Which of the following column properties would be used to specify that cells in a column must contain a monetary value that is less than another monetary value in the same row?
Options: Null status,    Data type,    Default value,    Data constraints

Ans:D ,D


. A ________ is a unit of information in a ________
Options: a. record, field b. field, record c. data source, field d. record, data source

Ans:– b,– b


. Which criteria do not return the position “Officer” as a match?
Options: a. position = “*ff*” b. position = “O??icer” c. position = ” ?ff*” d. position = “O#r”

Ans:– d,– d


The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in Electronic Data Processing system is called
Options: ASCII,    EBCDII,    BCD,    All of the above

Ans:A ,A


What are the three decisions making operations performed by the ALU of a computer?
Options: A) Grater than B) Less than C) Equal to D) All of the above

Ans:-D,-D


When a parallel RLC circuit is operating at its resonant frequency:
Options: capacitive reactance is greater than the inductive reactance,    inductive reactance is greater than the capacitive reactance,    inductive reactance is equal to the capacitive reactance,    the difference between inductive and capacitive reactance is equal to the resistance

Ans:C ,C


What is the shortcut key to “Insert Hyperlink ” in a document?
Options: Ctrl + H B. Ctrl + L C. Ctrl + K D. None of above

Ans:– C ,


Which of the following is the user programmed semiconductor memory?
Options: SRAM,    DRAM,    EPROM,    All of the above

Ans:C ,C


Repeaters are often used on an 802.3 network to help strengthen the signals being transmitted. As with the length of segments and the number of segments, a limit exists as to how many repeaters can be used between any two nodes. What is the maximum number of repeaters that can be used?
Options: Five,    Two,    Four,    Six

Ans:C ,C


A 2000-character text file has to be transmitted by using a 1,200 baud modem. Can you tell how long will it take?
Options: 2 seconds,    20 seconds,    120 seconds,    12 seconds

Ans:B ,B


. You can detect spelling and grammar errors by
Options: a. Press Shift + F7 b. Press Ctrl + F7 c. Press Alt+ F7 d. Press F7

Ans:– D,– D


The binary system uses powers of
Options: 2,    10,    8,    16

Ans:A,(Aanswer


. Which command will you use to display the system date?
Options: a. Date b. Ver c. Dir d. Format

Ans:4 – a ,4 – a


. Which of the following is not an output device?

Options: A) Portable Projector B) Printer C) Flat Screen D) Touch Screen

Ans:D,D


Which company is the biggest player in the microprocessor industry?
Options: Motorola,    IBM,    Intel,    AMD

Ans:C ,C


. The function of Dir/W is
Options: a. Show all details of file b. Show only file name and directory name c. Shows only directory d. All of the above

Ans:8 – b ,8 – b


The advantage of optimistic locking is that:
Options: the lock is obtained only after the transaction has processed.,    the lock is obtained before the transaction has processed.,    the lock never needs to be obtained.,    transactions that are best suited are those with a lot of activity.

Ans:A ,A


Each answer below shows example data from a table. Which answer is an example of the inconsistent values problem?
Options: Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row.,    Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column.,    Three rows have the values Brown, NULL, and Blue in the same column.,    One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column.

Ans:B ,B


Which of the following is true concerning personal computers?
Options: They decrease the demand for mainframe computers,    They have been most successful in the home,    The electronic spreadsheet has been a primary reason for their popularity,    Their future is not so bright owning to the improved cost-performance ratio of minis and mainframes

Ans:C ,C


.   After moving a clip art image to a particular location on the slide, you can immediately reverse the action using the
Options: a. Click the not do move object command on the edit menu b. Click on the undo button c. Click on redo button d. All of above

Ans:9 – B ,9 – B


Which of the following may not be a database?
Options: a. Data presented in table in MS Word document b. Data entered in Excel spreadsheet c. A presentation created in PowerPoint d. A telephone diary

Ans:ndash; c,ndash; c


Which is the earliest and most widely used shell that came with the UNIX system?
Options: C shell,    Korn shell,    Bourne shell,    Smith shell

Ans:C ,C


76. How do you close a word document without closing Word window?
Options: a. Click on the Close button on the title bar b. Click on Xminimize button on the title bar c. Click on the Close command on Office menu d. Click Exit on the File menu

Ans:– C ,– C


Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs?
Options: P = I2R,    P = IE,    P = E2/R,    I = P/E

Ans:D ,D

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