The operating system manages


Options: Memory B. Processes C. Disks and I/O devices D. all of the above

Ans:– D ,


Description: mcqquestions

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

Hits Today: 17034 | Level: Moderate




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


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

Click Here to take quick 5 mins MCQ test to find out.

More Operating System Related questions:


. Driver is
Options: a. Hardware controller b. Hardware and gain controller c. Data controller d. All of above

Ans:9 – a ,9 – a


Binary numbers need more places for counting because:
Options: 0's and 1's can be added in front of them,    0's and 1's have to be properly placed,    They are always big numbers,    Binary base is small

Ans:D,D


What are the concentric circles on floppy disks know as?
Options: Tracks,    Cylinders,    Sectors,    Segments

Ans:A ,A


Which of the following statements is correct?
Options: Terminal section of a synchronous modem contains the scrambler,    Receiver section of a synchronous modem contains the scrambler,    Transmission section of a synchronous modem contains the scrambler,    Control section of a synchronous modem contains the scrambler

Ans:C ,C


What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W?
Options: 692.2 Ohm,    844.5 Ohm,    3890 Ohm,    1234 Ohm

Ans:A ,A


While working with MS-DOS, which command will you use to display the version?
Options: DATE Command,    VER Command,    DISK Command,    FORMAT Command

Ans:B ,B


When performing a look-up operation using a form
Options: you enter the search value into the form,    you look at each form sequentially until you see the one you want,    you type the key in an entry line, and the correct form is displayed,    All of the above

Ans:A ,A


A customer attached an external drive to his notebook computer but the computer is not recognizing it. What should be considered?
Options: The cables are attached firmly,    The external drive has been pre¬loaded with the appropriate software,    The external drive was attached before the computer was on,    The external drive is turned on

Ans:All of the above,E


The processes at the most detailed level of the data flow diagrams are called
Options: transform descriptions,    functional primitives,    data flows,    interfaces

Ans:B ,B


Which of the following is best for quick copy operation?
Options: Copy and Paste B. Windows Clipboard C. Drag and Drop D. Auto Text

Ans:– C ,


An anticipated result from multiprogramming operations is:
Options: reduced computer idle time,    the handling of more jobs,    better scheduling of work,    All of the above

Ans:D ,D


Control Unit of a digital computer is often called the
Options: Clock,    Nerve center,    ICs,    All of the above

Ans:B ,B


. The subject of cybernetics deals with the science of
Options: A) Genetics B) Control and communication C) Molecular biology D) Biochemistry

Ans:B,B


What is the port number for POP3?
Options: 110,    90,    80,    49

Ans:A ,A


In order to play and hear sound on a computer, one needs:
Options: a sound card and speakers B. a microphone C. all of them required D. none of them required

Ans:– A ,


Entities of a given type are grouped into a(n):
Options: database.,    entity class.,    attribute.,    ERD.

Ans:B ,B


The person contributing the idea of the stored program was
Options: John von Neumann,    Charles Babbage,    Howard Aiken,    Basic Pascal

Ans:A,A


Storage on PC allows you to store files until something erases it, but memory loses its contents whenever its _____ is lost
Options: static,    disk space,    power,    both a and b above

Ans:C ,C


Want a PowerPoint photo album slide show to play continuously?
Options: a. Use random slide transitions b. Launch an online broadcast c. Loop continuously d. All of the above

Ans: – A , – A


The complete picture of data stored in database is known as
Options: Record,    Schema,    System flowchart,    DBMS

Ans:B ,B


When your hard drive crashes from any of the correct selections in the question above, or from dropping it, it is known as head-to-disk interference, or HDL
Options: True,    False,    ,    

Ans:A ,A


Topically, how many type III PC cards can you insert in a laptop
Options: 1,    2,    3,    4

Ans:A ,A


If the processor of a computer does not have a direct and unassisted access to data items, these items are said to be
Options: offline,    remote,    disconnected,    detached

Ans:A ,A


Programmers refer to the items needed to reach a problem's goal as the _____
Options: Input,    Out put,    Processing,    Purpose

Ans:A ,A


Which of the following option is not available in Insert >> Picture?
Options:  A) Chart, B) Word Art, C) Clip Art, D) Graph,

Ans:-D,-D


. In the Field List of a table, the primary key appears _______________.
Options: a. bold b. italicized c. underlined d. with key icon

Ans:6 – d ,6 – d


A systems programming language for microcomputers in the Intel family is
Options: PL/C,    PL/CT,    PL/M,    PLA

Ans:C ,C


What is the output of the program #include<stdio.h> int main() { int x = 10, y = 20, z = 5, i; i = x < y < z; printf("%d\n", i); return 0; }
Options: 0,    1,    Error,    None of these

Ans:B ,B


Which command will create a dynamic pool named Todd that will provide you with 30 global addresses?
Options: ip nat pool Todd 171.16.10.65 171.16.10.94 net 255.255.255.240,    ip nat pool Todd 171.16.10.65 171.16.10.94 net 255.255.255.224,    ip nat pool todd 171.16.10.65 171.16.10.94 net 255.255.255.224,    ip nat pool Todd 171.16.10.1 171.16.10.254 net 255.255.255.0

Ans:B ,B


HOSTS file entries are limited to how many characters?
Options: 8,    255,    500,    Unlimited

Ans:B ,B


A statement - by - statement description of a procedure is detailed in a;
Options: written narrative,    procedure's log,    systems flowchart,    record layout

Ans:A ,A


Which of the following is not one of the three ‘Mail Merge Helper’ steps?
Options: a. merge the two files b. create the main document c. set the mailing list parameters d. create the data source

Ans:– C,– C


How would you allow device drivers and TSR's to be loaded into Upper Memory Blocks?
Options: DOS=High,    Devicehigh=,    Loadhigh=,    DOS=UMB

Ans:D ,D


When mapping a ternary relationship with an associative entity into a relation which of the following is true?
Options: One relation is created.,    Two relations are created.,    Three relations are created.,    Four relations are created.

Ans:D ,D


A device or system not directly connected to the CPU is
Options: On-line,    Keyboard,    Memory,    Off-line

Ans:D ,D


A program in execution is called
Options:  A Paging B.  A Process C.  A virtual memory D.  A Demand Page

Ans: – B ,


. Multiprogramming systems:
Options: a. Are easier to develop than single programming systems b. Execute each job faster c. Execute more jobs in the same time period d. Are used only one large mainframe computers.

Ans:5 – c ,5 – c


Why are vacuum tubes also called valves?
Options: A) Because they can amplify the weak signals and make them strong B) Because they can stop or allow the flow of current C) Both of above D) None of above

Ans:-B,-B


. When you group worksheets
Options: a. You can enter variable data on multiple worksheets at one time b. You can print more than one worksheet at a time c. You can enter common data, formats, and formulas on multiple worksheets at one time d. b, and c

Ans:– d,– d


. What does an inner join display?
Options: a. Records from the second recordset and only records from the first recordset where the common fields are equal b. Records from the first recordset and only records from the second recordset where the common fields are equal c. Records that have the same value in the common field d. Records from the first recordset only

Ans:8 – c ,8 – c


. Before a disk can be used to store data. It must be_______
Options: A) Formatted B) Reformatted C) Addressed D) None of the above

Ans:A,A


Which of the following devices have a limitation that we can only store information to it but cannot erase or modify it?
Options:  Floppy Disk B.  Hard Disk C.  Tape Drive D.  CDROM

Ans:– D ,


The acronym HDI stands for:
Options: Half duplex interface,    Hard disk interface,    Head to disk interference,    Help desk interference

Ans:D ,D


What is the purpose of fflush() function.
Options: flushes all streams and specified streams.,    flushes only specified stream.,    flushes input/output buffer.,    flushes file buffer.

Ans:A ,A


. We need system files to run
Options: a. MS Word b. MS Excel c. MS Dos d. MS Access

Ans:0 – c ,0 – c


Which of the following do you use to change margins?
Options: a. formatting toolbar b. page setup dialog box c. Standard toolbar d. paragraph dialog box

Ans:–  B,–  B


.   Which option in PowerPoint allows to carry slides from one computer to another?
Options: a. Save As b. Save and Go c. Pack and Go d. Web and Go

Ans:0 – C ,0 – C


The two form layout types which display multiple records at one time are tabular and___
Options: a. columnar b. justified c. date sheet d. pivot table

Ans:ndash; b,ndash; b


Which is a semi conductor memory?
Options:  Dynamic B.  Static C.  Bubble D.  Both a & b

Ans:– D ,


The flow and timing to data to and from the microprocessor is regulated by
Options: control pins,    address pins,    data pins,    power pins

Ans:A ,A

www.000webhost.com