Conversion of binary number 1010101000010111 to hexadecimal number is


Options: D8F916,    A8B916,    AA1716,    D9F816

Ans:C,C


Description:

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

Hits Today: 12179 | 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:


A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage?
Options: 12 V,    18 V,    24 V,    30 V

Ans:C ,C


Which of the following will happen when data is entered into a memory location?
Options: It will add to the content of the location,    It will change the address of the memory location,    It will erase the previous content,    It will not be fruitful if thjere is already some data at that location

Ans:C ,C


What feature will you use to apply motion effects in between a slide exits and another enters?
Options: a. Slide Transition b. Slide Design c. Animation Objects d. Animation Scheme

Ans: – A , – A


A character that is raised and smaller above the baseline is known as
Options:  A) Outlined, B) Raised, C) Superscript, D) Subscript,

Ans:-C,-C


Which indent marker controls all the lines except first line?
Options:  A) First Line Indent Marker, B) Left Indent Marker, C) Hanging Indent Marker, D) Right Indent Marker,

Ans:-B,-B


. If you want to insert some slides from other presentation into current one choose
Options: a.  From Insert menu choose Slides from Files b.  From Insert menu choose Slides from Presentation c.  From Insert menu choose Slides d.  None of above

Ans:6 – A ,6 – A


What is split horizon?
Options: Information about a route should not be sent back in the direction from which the original update came.,    It splits the traffic when you have a large bus (horizon) physical network.,    It holds the regular updates from broadcasting to a downed link.,    It prevents regular update messages from reinstating a route that has gone down.

Ans:A ,A


You telnet to a router and make your necessary changes; now you want to end the Telnet session. What command do you type in?
Options: close,    disable,    disconnect,    exit

Ans:D ,D


14. While working with MS-DOS, which command is used to rename a file named file1.doc to file2.doc from a different directory called dir1?
Options: a. Ren2.doc dirfile1.doc b. Ren file1.doc file2.doc c. Ren .docdir.doc d. Ren dir1file1.doc file2.doc

Ans:Correct Answer: d,Correct Answer: d


What is the maximum data rate for the 802.11a standard?
Options: 6Mbps,    11Mbps,    22Mbps,    54Mbps

Ans:D ,D


Which of the following is not a factor to consider when switching from small to large block size?
Options: The length of all of the fields in a table row.,    The number of columns,    Block contention,    Random row access speed

Ans:B ,B


In EXCEL, you can sum a large range of data by simply selecting a tool button called …..?
Options: AutoFill B. Auto correct C. Auto sum D. Auto format

Ans:– C ,


A file produced by a spreadsheet 
Options: a. is generally stored on disk in an ASCII text fromat b. can be used as is by the DBMS c. both a and b d. none of the above

Ans:0.a,0.a


Which of the following is not a level of information handling:
Options: Decision Support System (DSS),    Operations Assistance System,    Transaction Processing System (IPS),    Office Automation System.

Ans:B ,B


Who was the father of Punched Card Processing?
Options: J Presper Eckert,    Charles Babbage,    Dr. Herman Hollerith,    Blaise Pascal

Ans:C ,C


Which of the following resources must be protected by the operating system?
Options: I/O B. Memory C. CPU D. All of the above

Ans:– D ,


. The command Edit >> Fill Across Worksheet is active only when
Options: a.  One sheet is selected b.  When many sheets are selected c.  When no sheet is selected d.  None of above

Ans:– b,– b


The desirable characteristic(s) of a memory system is (are)
Options: speed and reliability,    low power consumption,    durability and compactness,    All of the above

Ans:D,D


Sales persons and other employees of the company who spend much of their time away from their offices but keep in touch with their company's microcomputers or main frame computers over telephone lines are called
Options: field workers,    telecommuters,    teleprocessors,    company directors

Ans:B ,B


Which of the following tool is used to partition your hard drive?
Options: mkfs,    fdisk,    fsck,    mount

Ans:B ,B


. Programs are executed on the basis of a priority number in a
Options: A) Batch processing system B) Multiprogramming C) Time sharing D) None of these

Ans:B,B


What command is used to remove a file?
Options: del,    mv,    rm,    remove

Ans:C ,C


On a class B network, how many hosts are available at each site with a subnet mask of 248?
Options: 16,382,    8,190,    4,094,    2,046

Ans:D ,D


In raster-scan colour monitors, colour can be intensified by:
Options: grouping the phosphor dots in a circular pattern,    having each electron gun controlled by a composite signal,    using an in-line gun arrangement with a solid metal mesh,    having each electron gun controlled by separate signal

Ans:D ,D


. A term associated with the comparison of processing speeds of different computer system is:
Options: A) EFTS B) MPG C) MIPS D) CPS

Ans:C,C


. In which year was chip used inside the computer for the first time?
Options: A) 1964 B) 1975 C) 1999 D) 1944

Ans:1-B,1-B


Individuals who intend to pursue a career as an information-system manager should have:
Options: technical expertise in information systems,    human-relations skills,    ability to communicate in written form,    two of the above

Ans:E ,E


What
Options: place your PC on a rubber mat,    wear leather soled shoes,    periodically touch a safe ground point on the PC to discharge yourself,   wear an ESD wrist strap

Ans:D,wear an ESD wrist strap


If a piece of data is stored in two places in the database, then
Options: storage space is wasted,    changing the data is one spot will cause data inconsistency,    it can be more easily accessed,    both (a) and (b)

Ans:D ,D


Which of the following is not true of the traditional approach to information processing
Options: a . there is common sharing of data among the various applications b . it is file oriented c . programs are dependent on the file d . it is inflexible

Ans:.a,.a


What is the maximum distance running the lowest data rate for 802.11b?
Options: About 100 feet,    About 175 feet,    About 300 feet,    About 350 feet

Ans:D ,D


Which of the following hardware components is the most important to the operation of a database management system?
Options: high-resolution video display,    printer,    high speed, large-capacity disk,    plotter

Ans:C ,C


Thorough planning must take place when setting up an 802.3 network. A maximum number of segments can separate any two nodes on the network. What is the maximum number of segments allowed between two nodes?
Options: Five,    Two,    Four,    Six

Ans:A ,A


Which are the most important features of Microsoft Windows program?
Options: Windows,    Pull-down menus,    Icons,    All of the above

Ans:D ,D


Which file executes commands in DOS?
Options: MS-DOS.SYS,    CONFIG.SYS,    COMMAND.COM,    SYSTEM.INI

Ans:C ,C


. Access file operations can be found by clicking the ____.
Options: a. Access Button b. Database Button c. Office Button d. Window Button

Ans:5 – c ,5 – c


Point out the error in the program? struct emp { int ecode; struct emp e; };
Options: Error: in structure declaration,    Linker Error,    No Error,    None of above

Ans:A ,A


A high quality CAD system uses the following for printing drawing and graphs
Options: A) Dot matrix printer B) Digital plotter C) Line printer D) All of the above

Ans:-B,-B


In ________ mode, the communication channel is used in both directions at the same time?
Options: Full-duplex B. Simplex C. Half-duplex D. None of the above

Ans:– A ,


Background color or effects applied on a document is not visible in
Options:  A) Web layout view, B) Print Layout view, C) Reading View, D) Print Preview, 

Ans:-D,-D


. Which of the following queries prompts users for input data by displaying dialog boxes?
Options: a. Append b. Delete c. Parameter d. Update

Ans:2 – c ,2 – c


What is the main reason the OSI model was created?
Options: To create a layered model larger than the DoD model.,    So application developers can change only one layer's protocols at a time.,    So different networks could communicate.,    So Cisco could use the model.

Ans:C ,C


What do the following declaration signify? int *ptr[30];
Options: ptr is a pointer to an array of 30 integer pointers.,    ptr is a array of 30 pointers to integers.,    ptr is a array of 30 integer pointers.,    ptr is a array 30 pointers.

Ans:B ,B


. Press ____ key while booting to display Advanced Boot Menu
Options: a. F5 b. F6 c. F8 d. Del

Ans:8 – c ,8 – c


. The proper definition of a modern digital computer is
Options: A) An electronic automated machine that can solve problems involving words and numbers B) A more sophistic and modified electronic pocket calculator C) Any machine that can perform mathematical operations D) A machine that works on binary code

Ans:5-A,5-A


. What are the benefits of network?
Options: a. To share hardware components b. To share information and share software c. It reduces cost d. All of above

Ans:4 – d ,4 – d


An econometric model requires
Options: a computer with large auxiliary storage capacity,    a data base of economic data,    a model base of quantitative analysis programs,    All of the above

Ans:D ,D


Decisions can be classified on three levels : strategic, _____ and operational.
Options: prompt,    passwords,    MIS,    Tactical

Ans:D ,D


. Ctrl + J
Options: Align Justify B. Insert Hyperlink C. Search D. Print

Ans: – A ,


11. What will be the output of the command prompt $l$p$g?
Options: a. <c:> b. C:> c. C:>> d. C:<>

Ans:Correct Answer: a ,Correct Answer: a

www.000webhost.com