In simplex transmission


Options: Data format is simple,    Data transmission is one way,    Data can be transmitted to small distances only,    All of the above

Ans:B,B


Description:

Asked in: KCC-2018   |   JOA 556-2018  |  HRTC JTO-2017

Hits Today: 12639 | Level: Moderate


******************************************************

Want to see where do you stand among other aspirants in "Computer" category?

Click Here to take quick 10 mins MCQ test to find out.




Got some suggestion about this question or to make this site better? Please leave your comments below.




More Computer Fundamental Related questions:


Which policy replace a page if it is not in the favoured subset of a process's pages?
Options: FIFO,    LRU,    LFU,    Working set

Ans:D ,D


When you copy a formula
Options: a. Excel erases the original copy of the formula b. Excel edits cell references in the newly copied formula c. Excel adjusts absolute cell references d. Excel doesn’t adjust relative cell references

Ans:#8211; b,#8211; b


. What was the first computer to perform all calculation using electronics rather than wheels, ratchets, or mechanical switches?
Options: A) Mark I B) ABC C) Z3 D) None of above

Ans:B,B


. Insert Date, Format Page Number, and Insert AutoText are buttons on the _____ toolbar.
Options: a. Formatting b. Header and Footer c. Standard d. Edit

Ans:– B,– B


What frequency range is used for TV transmission and low power microwave applications?
Options: Very Low Frequency : 3 kHz to 30 kHz,    Medium Frequency : 300 kHz to 3 MHz,    Ultra High Frequency : 300 MHz to 3000 MHz,    Super High Frequency : 3000 MHz to 30000 MHz

Ans:C ,C


Which of the following modes are valid when a switch port is used as a VLAN trunk? Blocking Dynamic auto Dynamic desirable Nonegotiate Access Learning
Options: 1, 2 and 6,    2, 3 and 4,    4, 5 and 6,    2, 4, and 5

Ans:B ,B


The longest method of conversion is
Options: direct,    parallel,    phased,    pilot

Ans:A ,A


In SQL, the ALTER TABLESPACE command is used
Options: to add/rename data files,    to change storage characteristics,    to take a tablespace online/offline,    to begin/end a backup

Ans:E ,E


.   Which of the following is not a feature of PowerPoint?
Options: a. Printing transparencies b. Printing the speaker’s notes along with slide images c. Linking a slide transition with a laser pointer d. Drawing with a pen

Ans:7 – C ,7 – C


Which of the following statements correct about the below program? #include<stdio.h> int main() { union a { int i; char ch[2]; }; union a u1 = {512}; union a u2 = {0, 2}; return 0; } 1: u2 CANNOT be initialized as shown. 2: u1 can be initialized as shown. 3: To initialize char ch[] of u2 '.' operator should be used. 4: The code causes an error 'Declaration syntax error'
Options: 1, 2,    2, 3,    1, 2, 3,    1, 3, 4

Ans:C ,C


Operations Research came into being due to:
Options: medical reasons,    military reasons,    educational reasons,    to improve transportation

Ans:B ,B


The Process Manager has to keep track of:
Options: the status of each program,    the priority of each program,    the information management support to a programmer using the system,    both (a) and (b)

Ans:D ,D


. In PC from where you will connect internet?
Options: a. Tools b. Network neighborhood c. Dial up network d. None of the above

Ans:7 – c ,7 – c


. Which one is not a system tool?
Options: a. Backup b. Disk defragment c. Virus scanning d. All of the above

Ans: c, c


Serial access memories are useful in applications where
Options: data consists of numbers,    short access time is required,    each stored word is processed differently,    data naturally needs to flow in and out in serial form

Ans:D ,D


Which of the following is a database administrator
Options: database design,    backing up the database,    performance monitoring,    All of the above

Ans:D,All of above


In OSI model, which of the following layer provides error-free delivery of data?
Options: Data link,    Network,    transport,    Session

Ans:C ,C


Which menu option can be used to split windows into two?
Options: Format -> Window B. View -> Window-> Split C. Window -> Split D. View –> Split

Ans:– C ,


Which of the following is a storage device?
Options: Tape B. Hard Disk C. Floppy Disk D. All of the above

Ans:– D ,


. Ctrl + D shortcut key in Excel will
Options: a.  Open the font dialog box b.  Apply double underline for the active cell c.  Fill down in the selection d.  None of above

Ans:– c,– c


Which of the following commands is used to save the output of the who command in a file named user.lst, as well as display it?
Options: who | tee user.lst,    who > user.lst,    who >> user.lst,    who < user.lste

Ans:A ,A


Which of the following is considered to be the address after translation?
Options: Inside local,    Outside local,    Inside global,    Outside global

Ans:C ,C


. To remove the content of selected cells you must issue ______ command
Options: a.  Edit >> Delete b.  Edit >> Clear >> Contents c.  Edit >> Clear >> All d.  Data >> Delete

Ans:– b,– b


.   Which of the following format options should be used to display dollars on an axis?
Options: a. Normal b. Percentage c. Currency d. Comma

Ans:6 – C ,6 – C


The register or main memory location which contains the effective address of the operand is known as
Options: pointer,    indexed register,    special location,    scratch pad

Ans:A ,A


RS-232 is a standard that applies to?
Options: Parallel port,    Serial port,    Game port,    All of the above

Ans:B ,B


The working principles of today's computers were provided by an English mathematician
Options: Charles Babbage,    Dr. Hollerith,    Donald Reach,    Ken Reider

Ans:A ,A


You can have EISA and MCA devices in the same PC.
Options: True,    False,    ,    

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


.The operation of processing each element in the list is known as
Options: A)Sorting b.Merging c.Inserting d.Traversal

Ans:D,D


What is the minimum header size of an IP packet?
Options: 16 bytes B. 10 bytes             C. 20 bytes D. 32 bytes

Ans:– C ,


What is the first octet range for a class C IP address?
Options: 192 - 255,    192 - 223,    192 - 226,    128 - 191

Ans:B ,B


. To draw the Square box in the slide by selecting rectangle tool
Options: a. Holding CTRL & Draw b. Holding ALT & Draw c. Holding SHIFT & Draw d. All of the above

Ans:6 – C ,6 – C


How does a parallel port communicate information to a peripheral device?
Options: one bit at a time,    8 bytes at a time,    one byte at a time,    16,555 bytes at a time

Ans:C ,C


A NAND gate has:
Options: LOW inputs and a LOW output,    HIGH inputs and a HIGH output,    LOW inputs and a HIGH output,    None of the these

Ans:C ,C


One solution to the multivalued dependency constraint problem is to:
Options: split the relation into two relations, each with a single theme.,    change the theme.,    create a new theme.,    add a composite key.

Ans:A ,A


. Which of the following statements about tab order setting is NOT true?
Options: a. The actual tab order setting for a form can be used in the Form View. b. The tab order setting determines the movement of the insertion point through a form. c. The tab order setting is usually right-to-left and top-to-bottom. d. The default tab order setting can be altered by moving the controls in the Design View.

Ans:2 – c ,2 – c


Entities can be associated with one another in which of the following?
Options: Entities,    Attributes,    Identifiers,    Relationships

Ans:D ,D


The first step in troubleshooting many problems is to verify which of the following?
Options: The subnet mask is valid,    TCP/IP is installed correctly on the client,    The WINS server is running,    The BDC is operable

Ans:B ,B


A database language concerned with the definition of the whole database structure and schema is ________
Options: a. DCL b. DML c. DDL d. All of above

Ans:ndash; c,ndash; c


Which type of computers uses the 8-bit code called EBCDIC?
Options: A) Minicomputers B) Microcomputers C) Mainframe computers D) Super computer

Ans:-C,-C


Every video card must have?
Options: CMOS,    RAM,    CPU,    All of the above

Ans:B ,B


Which is used to provide the sight information to the right person at the right time for proper decision making?
Options: DBMS,    MIS,    ISO,    PSO

Ans:B ,B


A foreign key is:
Options: a column containing the primary key of another table.,    used to define data types.,    used to define null status.,    all of the above are above correct.

Ans:A ,A


. What does the expression [detail] ! [product] * 1.30 do?
Options: a. multiplies the contents of detail and product fields by 1.3 b. First divides detail by product and then multiplies by 1.3 c. multiplies the contents of detail in the product table by 1.3 d. multiplies the contents of product in the detail table by 1.3

Ans:– d,– d


To connect a computer with a device in the same room, you might be likely to use
Options: a coaxial cable,    a dedicated line,    a ground station,    All of the above

Ans:A ,A


Computer Operators
Options: Write computer programs for specific problems,    Operate the devices which input and output data from the computer,    Normally require a college degree in computer science,    All of the above

Ans:B,B


Match the device driver HIMEM.SYS to its operation
Options: Supports (ANSI) terminal emulation,    Manages the use of extended memory,    Uses expanded memory on an 80386 processor,    Supports code page switching

Ans:B ,B


All worksheet formula
Options: a. Manipulate values b. Manipulate labels c. Return a formula result d. Use the addition operator

Ans:#8211; c,#8211; c


One method of programming a computer to exhibit human intelligence is called modeling or:
Options: simulation,    cognitization,    duplication,    psychic amelioration

Ans:A ,A

www.000webhost.com