Who coordinates the sequencing of events within the central processor of a computer?


Options: Logic unit,    Arithmetic unit,    Register,    Control unit

Ans:D,D


Description:

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

Hits Today: 10973 | 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 Computer Fundamental Related questions:


Pillsbury's SOAR system was designed specifically for
Options: sales persons,    operational level managers,    strategic level managers,    tactical level managers

Ans:B ,B


What project is currently developing X server support?
Options: XFree86 Project, Inc.,    RHAD Labs,    GNOME Project,    All of the above

Ans:A ,A


. Clear the contents by pressing “DELETE” key from a keyboard will clear
Options: Text Only B. Format Only C. Contents Only D. Both Contents and Format

Ans:– C ,


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

Ans:B,B


An electrical inter-connection that permit 8 or more bits of data to be moved in the same instant of time is called
Options: Outline processor,    Parallel interface,    Page layout program,    Fasimile system

Ans:B ,B


The difference between memory and storage is that memory is _____ and storage is __
Options: A) Temporary, permanent B) Permanent, temporary C) Slow, fast D) All of above

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


In the following program where is the variable a getting defined and where it is getting declared? #include<stdio.h> int main() { extern int a; printf("%d\n", a); return 0; } int a=20;
Options: extern int a is declaration, int a = 20 is the definition,    int a = 20 is declaration, extern int a is the definition,    int a = 20 is definition, a is not defined,    a is declared, a is not defined

Ans:A ,A


To add a Header/Footer in Handout
Options: View -> Page Setup B. View -> Header/Footer C. View -> Handout Master D. None of Above

Ans:– C ,


The "Turing Machine" showed that you could use a/an _____ system to program any algorithmic task.
Options: binary,    electro-chemical,    recursive,    semantic

Ans:A ,A


.    Which command is used to display all the files having the (.exe) extension but different filename?
Options: a.    Dir filename.* b.    Dir filename.ext c.    Dir *.sys d.    Dir *.ext

Ans:.a,Correct Answer: d. Dir *.ext


The addition of _____ can reduce processing time.
Options: A buffer,    An EPROM,    A converter,    A co-processor

Ans:D ,D


Which is NOT typically a Field Replaceable Unit?
Options: System ROM,    Power supply,    System chasis,    Video controller

Ans:C ,C


Assembly languages are most commonly used to write computing systems that provide
Options: supervisory information,    priority setting information,    planning information,    All of the above

Ans:A ,A


What is the shortcut key to Close Active Document in Microsoft Word?
Options: Ctrl + F4 B. Shift + F4 C. Ctrl + Shift + F4 D. None of above

Ans:– A ,


How can you create a uniform appearance by adding a background image to all slides?
Options: a. Create a template b. Edit the slide master c. Use the autocorrect wizard d. All of the above

Ans: – B , – B


. To print documents from Windows
Options: a. File >> Print b. Drag the document icon over your printers icon c. Edit print d. Both a and B

Ans:8 – d ,8 – d


. Which was the world’s first microcomputer that used Intel 80386 microprocessor chip?
Options: A) IBM PS/2 B) HP-9830 C) DeskPro-386 D) IBM-360

Ans:5-C,5-C


. Charts tips can
Options: a. Show the formatting of a data label b. Show the name of a data series c. Show the value of data point d. b and c

Ans:– d,– d


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


. Digital devices are
Options: A) Digital Clock B) Automobile speed meter C) Clock with a dial and two hands D) All of them

Ans:2-A,2-A


The key uniquely identifies each record in a table.
Options: a. primary key b. key word c. filed name d. All of above

Ans:ndash; a,ndash; a


What is the subnetwork address for a host with the IP address 200.10.5.68/28?
Options: 200.10.5.56,    200.10.5.32,    200.10.5.64,    200.10.5.0

Ans:C ,C


How do you tell one cell from another?
Options: By numbers B. By letters C. By its address D. by color

Ans:– C ,


. How to restrict the values of a cell so that only whole numbers between 9 and 99 can be entered in a cell.
Options: a. The Settings tab under the menu Format -> Cells b. The Settings tab under the menu Data -> Validation c. The Settings tab under the menu Data -> Filter -> Advanced Filter d. the Settings tab under the menu Format -> Conditional Formatting

Ans:– b,– b


In which of the storage placement strategies a program is placed in the smallest available hole in the main memory?
Options: best fit,    first fit,    worst fit,    buddy

Ans:A ,A


Which application allows a user to access and change remote files without actual transfer?
Options: TELNET,    NFS,    FTP,    DNS

Ans:B ,B


The terms "red book", "yellow book", and "orange book" refer to:
Options: SCSI,    ide,    floppy drive technology,    CD-ROM standards

Ans:D ,D


. Latency time is
Options: A) Time to spin the needed data under head B) Time to spin the needed data under track C) Time to spin data under sector D) All of above

Ans:A,A


Which one of the following is the first second-generation computer?
Options: IBM 7090,    IBM 801,    IBM 7070,    IBM 650

Ans:A ,A


. In MS Access “Hyperlink” Data Type can store
Options: a. Web Address b. email Address c. Path of a File d. All of Above

Ans:– d,– d


Compilers and interpreters are themselves
Options: High-level language,    Codes,    Programs,    Mnemonics

Ans:C,(Canswer


The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in
Options: a tree file,    an indexed file,    a hashed file,    a sequential file

Ans:C ,C


In which addressing mode, the address of the location of the operand is given explicitly as a part of the instruction.
Options: absolute mode,    immediate mode,    index mode,    modulus mode

Ans:A ,A


During the maintenance phase
Options: System requirements are established,    System analysis is carried out,    Programs are tested,    All of the above

Ans:E ,E


A smart modem can dial, hang up and answer incoming calls automatically. Can you tell who provides the appropriate instruction to the modem for this purpose?
Options: Communications software,    Error detecting protocols,    Link access procedure (LAP),    Telecommunications

Ans:A ,A


Which was the first commercial computer built by M.V. Wilkies.
Options: Super computer,    LEO,    Mainframe,    Micro computer

Ans:B ,B


Which command is used to display all the lines with the string 'sales' from the file empl.lst?
Options: cut sales empl.lst,    /sales > empl.lst,    grep sales empl.lst,    cat | /sales > empl.lst

Ans:C ,C


Which part interprets program instructions and initiate control operations.
Options: Input,    Storage unit,    Logic unit,    Control unit

Ans:D,(Danswer


Point out the error in the program #include<stdio.h> #define SI(p, n, r) float si; si=p*n*r/100; int main() { float p=2500, r=3.5; int n=3; SI(p, n, r); SI(1500, 2, 2.5); return 0; }
Options: 26250.00 7500.00,    Nothing will print,    Error: Multiple declaration of si,    Garbage values

Ans:C ,C


. When you link data maintained in Excel workbook to a Word document
Options: a. The Word document cannot be edited b. The Word document contains a reference to the original source application c. The word document must contain a hyperlink d. The word document contains a copy of the actual data

Ans:– b,– b


Which of the following is an example of a client-server model?
Options: TELNET,    FTP,    DNS,    All of the above

Ans:D ,D


What will be the output of the program? #include<stdio.h> int main() { typedef int LONG; LONG a=4; LONG b=68; float c=0; c=b; b+=a; printf("%d,", b); printf("%f\n", c); return 0; }
Options: 72, 68.000000,    72.000000, 68,    68.000000, 72.000000,    68, 72.000000

Ans:A ,A


    If you don’t know the current time, which command will you use to display
Options: a.    Copy b.    Ver c.    Time d.    Format

Ans:.a,Correct Answer: c. Time


A transaction in which either all of the database actions occur or none of them do is called:
Options: atomic.,    consistent.,    isolated.,    durable.

Ans:A ,A


Most industrial control applications:
Options: can be solved using more than one method of control,    can be done more reliably using solid-state methods,    must have the process specified correctly to be successful,    All of the above

Ans:D ,D


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


What will be the output of the program? #include<stdio.h> int main() { float f=43.20; printf("%e, ", f); printf("%f, ", f); printf("%g", f); return 0; }
Options: 4.320000e+01, 43.200001, 43.2,    4.3, 43.22, 43.21,    4.3e, 43.20f, 43.00,    Error

Ans:A ,A


In which mode can 2 or more applications be stored in memory at the same time?
Options: Segmented Mode,    Unprotected Mode,    Real Mode,    Protected Mode

Ans:D ,D


One nibble is equal to
Options: 4 bits,    8 bits,    6 bits,    16 bits

Ans:A ,A

www.000webhost.com