Which is a unit representing the no bits of discrete.


Options: Baud,    Byte,    Bit,    All of the above

Ans:A,(Aanswer


Description:

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

Hits Today: 7874 | 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:


....... transforms one interface into other interface
Options: a. Program b. Software c. Data d. None

Ans:1 – b ,1 – b


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

Ans:D ,D


Which of the following services dynamically resolves NetBIOS-to-IP resolution?
Options: DNS,    DHCP,    WINS,    LMHOSTS

Ans:C ,C


Which generation of computers is covered by the period 1964-77?
Options: First,    Second,    Third,    Forth

Ans:C ,C


The data-link layer, in reference to the OSI model, specifies
Options: data link procedures that provide for the exchange of data via frames that can be sent and received,    the interface between the X.25 network and packet mode device,    the virtual circuit interface to packet-switched service,    All of the above

Ans:A ,A


Network 206.143.5.0 was assigned to the Acme Company to connect to its ISP. The administrator of Acme would like to configure one router with the commands to access the Internet. Which commands could be configured on the Gateway router to allow Internet access to the entire network? Gateway(config)# ip route 0.0.0.0 0.0.0.0 206.143.5.2 Gateway(config)# router rip Gateway(config-router)# network 206.143.5.0 Gateway(config-router)# network 206.143.5.0 default
Options: 1 only,    3 only,    1, 2 and 4,    1 and 4

Ans:D ,D


A parity error usually indicates a problem with:
Options: memory,    hard drive,    hard drive controller,    I/O controller

Ans:A ,A


. A(n) _____________ is dynamic mathematical calculation that displays a single value for a specific field.
Options: a. format row b. criteria row c. aggregate function d. format layout

Ans:0 – c ,0 – c


What is the first step in diagnosing a completely dead computer at the client site that was working the day before.
Options: Test the power supply,    replace the CMOS battery,    check the AC outlet,    reseat the hard drive controller cable

Ans:C ,C


An expert system differs from a database program in that only an expert system:
Options: contains declarative knowledge,    contains procedural knowledge,    features the retrieval of stored information,    expects users to draw their own conclusions

Ans:B ,B


Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value?
Options: 37.4 V,    35.4 V,    38.74 V,    30.4 V

Ans:B ,B


Conversion of hexadecimal number 1D7F16 to a decimal number is
Options: 755110,    877110,    555710,    778110

Ans:A,A


. Portrait and Landscape are
Options: a. Page Orientation b. Paper Size c. Page Layout d. All of above

Ans:– A,– A


. In help menu of Excel, which of the following tabs are found?
Options: a. Contents tab b. Answer Wizard tab c. Index tab d. all of the above.

Ans:– d,– d


When measuring AC (Alternating Current) with a multimeter, it is important to maintain the proper polarity.
Options: true,    false,    true,    false

Ans:B ,B


Where have the program and data to be located before the ALU and control unit of a computer can operate on it?
Options: Internal memory,    Secondary memory,    Microprocessor,    Magnetic tapes

Ans:A,A


Who has developed the Linux?
Options: Bob Young,    Mark Eving,    Richard Stallman,    Linus Torvalds

Ans:D ,D


Communication between computers using standard telephone service
Options: Requires a change to an anolog signal,    Is most efficient,    Produces little noise and few disturbances,    All of the above

Ans:A ,A


Which of the following keys is used to replace a single character with new text?
Options: S,    s,    r,    C

Ans:B ,B


.   When an image is selected, it displays which of the following?
Options: a. Two corner handles b. Six middle handles c. Eight sizing handles d. Six boxes

Ans:0 – C ,0 – C


What will be the output of the program in TurboC? #include<stdio.h> int fun(int **ptr); int main() { int i=10, j=20; const int *ptr = &i; printf(" i = %5X", ptr); printf(" ptr = %d", *ptr); ptr = &j; printf(" j = %5X", ptr); printf(" ptr = %d", *ptr); return 0; }
Options: i= FFE2 ptr=12 j=FFE4 ptr=24,    i= FFE4 ptr=10 j=FFE2 ptr=20,    i= FFE0 ptr=20 j=FFE1 ptr=30,    Garbage value

Ans:B ,B


Which of the following command is used to count just the number of lines contained in a file?
Options: wc -l,    wc -c,    wc -w,    wc -r

Ans:A ,A


A subdivision of main storage created by operational software is referred to as a:
Options: compartment,    time-shared program,    divided core,    partition

Ans:D ,D


The benefits of a standard relational language include which of the following?
Options: Reduced training costs,    Increased dependence on a single vendor,    Applications are not needed.,    All of the above.

Ans:A ,A


In mathematical term Row is referred as
Options: Relation B. Attribute C. Tuple D. Domain

Ans:– C ,


Each entity is represented as a(n):
Options: tuple.,    table.,    attribute.,    file.

Ans:B ,B


What TCP/IP protocol is used for remote terminal connection service?
Options: UDP,    RARP,    FTP,    TELNET

Ans:D ,D


. Which of the following search criteria is invalid?
Options: a. $45* b. *cal* c. D*m?? d. AS150*

Ans:6 – a ,6 – a


Which of the following is not a font style?
Options: a. Bold b. Italics c. Regular d. Superscript

Ans:– D,– D


. Which of the following database object hold data?
Options: a. Forms b. Reports c. Queries d. Tables

Ans:3 – d ,3 – d


. when working in the page break preview, you can
Options: a. view exactly where each page break occurs b. add or remove page breaks c. change the print area d. all of above

Ans:– d,– d


The keystrokes Ctrl + I is used to
Options:  A) Increase font size, B) Inserts a line break, C) Indicate the text should be bold, D) Applies italic format to selected text,

Ans:-D,-D


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


10. While working with MS-DOS which command is used to change the extension of all filenames ending with .txt to .doc?
Options: a. Ren *.doc *.txt b. Ren *.txt *.doc c. Ren file.doc file.txt d. Ren a: *.doc *.txt

Ans:Correct Answer: b,Correct Answer: b


Table is synonymous with the term:
Options: record.,    relation.,    column.,    field.

Ans:B ,B


Which two of the following DOS commands are used to display or set the date and time of your computer's infernal clock?
Options: VER,    HOUR,    DATE,    DAY

Ans:C ,C


. 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


In a rule-based system, procedural domain knowledge is in the form of:
Options: production rules,    rule interpreters,    meta-rules,    control rules

Ans:A ,A


To back up an IOS, what command will you use?
Options: backup IOS disk,    copy ios tftp,    copy tftp flash,    copy flash tftp

Ans:D ,D


The 2's complement number of 110010 is
Options: 001101,    110011,    010011,    All of the above

Ans:E ,E


50. Tabs stop position cannot be the following alignment
Options: a. Decimal Alignment b. Center Alignment c. Bar Alignment d. Justify Alignment

Ans:–  D ,–  D


A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as
Options: Light pen,    Optical-wand,    Plotter,    All of the above

Ans:B ,B


What will be the output of the program ? #include<stdio.h> int main() { union a { int i; char ch[2]; }; union a u; u.ch[0]=3; u.ch[1]=2; printf("%d, %d, %d\n", u.ch[0], u.ch[1], u.i); return 0; }
Options: 3, 2, 515,    515, 2, 3,    3, 2, 5,    515, 515, 4

Ans:A ,A


While working with MS-DOS, which command is used to restore files that were backed up using the BACKUP command?
Options: COPY,    DISKCOPY,    RESTORE,    STORE

Ans:C ,C


. Which 8-bit chip was used in many of today’s TRS-80 computers?
Options: A) Z-8000 B) Motorola 6809 C) Z-8808 D) Z-80

Ans:D,D


The functional area showing the greatest interest in the concept of functional information systems is the
Options: financial function,    manufacturing function,    both (a) and (6),    neither (a) nor (b)

Ans:D ,D


. The __________ determines how long you must hold down an alphanumeric key before the keyboard will repeat the character.
Options: a. strike rate b. repeat rate c. default rate d. threshold rate

Ans:0 – b ,0 – b


A non-relocatable program is one which
Options: cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation,    consists of a program and relevant information for its relocation,    can itself perform the relocation of its address-sensitive portions,    All Of the above

Ans:A ,A


Which one of the following statements most accurately describes the nature of inductive reactance?
Options: Inductive reactance is an opposition to current flow in dc circuits,    Inductive reactance is an opposition to current flow in ac circuits,    Inductive reactance is another term for counter emf,    Inductive reactance is a force that tends to overcome the effects of counter emf

Ans:B ,B


Which of the following is not an advantage of multiprogramming?
Options: increased throughput,    shorter response time,    decreased operating-system overhead,    ability to assign priorities to jobs

Ans:C ,C

www.000webhost.com