A device invented by Dr. Bobeck in 1966, for mass storage of data is

Options: Punched paper tape,    Magnetic bubble storage,    Magnetic tape,    Magnetic disk



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

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More Computer Fundamental Related questions:

Text formulas:
Options: a. Replace cell references b. Return ASCII values of characters c. Concatenate and manipulate text d. Show formula error value

Ans:8211; c,8211; c

Which of the following is the largest and most powerful computer manufacture in the world
Options: IBM,    Intel,    Novel,    Microsoft

Ans:A ,A

In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity.
Options: parent,    child,    instance,    subtype

Ans:B ,B

Thrashing can be avoided if
Options: the pages, belonging to the working set of the programs, are in main memory,    the speed of CPU is increased,    the speed of I/O processor is increased,    all of the above

Ans:A ,A

Versatile report generators can provide
Options: Columnar totals,    Subtotals,    Calculations,    All of the above

Ans:D ,D

. Main storage is also called
Options: A) Accumulator B) Control Unit C) Register Unit D) Memory


. Which is an internal command?
Options: a. Scandisk b. XCOPY c. Deltree d. None of the above

Ans:1 – d ,1 – d

Which of the following is two way list?
Options: a. grounded header list b. circular header list c. linked list with header and trailer nodes d. none of above  


A device that transmits messages in verbal form is
Options: Audit trail,    Card punch,    Audio response unit,    Magnetic tape

Ans:C ,C

How many types of flow are there in a semiconductor?
Options: 0,    1,    2,    3

Ans:B ,B

. Which of the following command is used to switch between the window programs?
Options: a. Alt+Tab b. Alt+F4 c. Ctrl+Tab d. None of the above

Ans:5 – a ,5 – a

An input device that is able to interpret pencil marks on paper media is known as
Options: Magnetic disk,    Optical Mark Reader,    Card Puncher,    Magnetic tape

Ans:B ,B

. 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(n) ____ in the Record Selector indicates a new record.
Options: a. check mark b. pencil c. asterisk d. arrow

Ans:2 – c ,2 – c

.   Special effects used to introduce slides in a presentation are called
Options: a. Effects b. Custom animations c. Transitions d. Preset animations

Ans:4 – C ,4 – C

. Bit stands for
Options: A) Binary digits B) bit of system C) a part of byte D) All of above


What are the tabs that appear at the bottom of each workbook called?
Options: Reference tabs B. Position tabs C. Location tabs D. Sheet tabs

Ans:– D ,

The software used to convert source program instructions to object instruction is known as
Options: Compiler,    Assembler,    Interpreter,    Language processor

Ans:D ,D

. Oncetext has been cut to the clipboard, you can .....that text into another document
Options: a. Paste b. Copy c. Transfer d. None of the above

Ans: a, a

What sign is used to erase or kill an entire line you have typed and start you are on a new line (but not display a new prompt)?
Options: !,    $,    #,    @

Ans:D ,D

A search value can be an exact value or it can be
Options: a. Logical Operator b. Relationship c. Wild card character d. Comparison operation

Ans:ndash; c,ndash; c

What is the size of Source and Destination IP address in IP header?
Options: 4 bits B. 8 bits C. 16 bits D. 32 bits

Ans:– D ,

. Which is built directly on the hardware?
Options: a. Computer Environment b. Application Software c. Operating System d. Database System

Ans:0 – c ,0 – c

Which of the following concept is best to preventing page faults?
Options:  Paging B.  The working set C.  Hit ratios D.  Address location resolution

Ans:– B ,

Functional subsystems are connected by
Options: resource flows,    decision flows,    information flows,    data flows

Ans:A ,A

What part of is the Network ID, assuming a default subnet mask?
Options: 192,    192.168.10,,    51

Ans:B ,B

7. Which switch should be used in the DIR command to view files in all directories?
Options: a. /p b. /w c. /s d. /l

Ans:Correct Answer: c,Correct Answer: c

The ESD wrist strap is designed to protect PC Components or Service Technicians ?
Options: PC Components,    Service Technicians,    Both,    

Ans:C ,C

The DC voltage on most circuit boards is:
Options: -12 volts,    0 volts,    +5 volts,    +12 volts

Ans:C ,C

Decision tree uses
Options: pictorial depictation of alternate conditions,    nodes and branches,    consequences of various depicted alternates,    All of the above

Ans:D ,D

What is sent to the user via HTTP, invoked using the HTTP protocol on the user's computer, and run on the user's computer as an application?
Options: A Java application,    A Java applet,    A Java servlet,    None of the above is correct.

Ans:B ,B

What happens when dollar signs ($) are entered in a cell address? (ex. $B$2:$B$10)
Options: An absolute cell address is created. B. Cell address will change when it is copied to another cell. C. The sheet tab is changed. D. The status bar does not display the cell address.

Ans:– A ,

Every table in relational database contain a field or combination of fields that can uniquely identify each records, it is called
Options: a. Foreign key b. Native key c. Composite key d. Primary key

Ans:ndash; d,ndash; d

Data administrators are responsible for:
Options: physical database design.,    managing technical issues in the database environment.,    overall management of data resources in an organization.,    writing application programs.

Ans:C ,C

Copy and Xcopy are same in the sense
Options: a. Both are internal command of DOS b. Both are external commands of DOS c. Both can be used to copy file or group of files d. Both a and b

Ans:Correct Answer: c ,Correct Answer: c

Which monitor would provide the highest level of performance?
Options: VGA,    XGA,    CGA,    SVGA

Ans:D ,D

The area of computer science which is concerned with the display of pictures is
Options: Networks,    Graphics,    Designing,    Architecture

Ans:B ,B

57. To move the cursor page to page of document
Options: a. Ctrl+PgDn b. Ctrl+PgUp c. Both of above d. None of above

Ans:– C ,– C

Which is a basic technique, using activity networks.
Options: CPA,    VLSI,    GIGO,    MSI

Ans:A ,A

What does fp point to in the program ? #include<stdio.h> int main() { FILE *fp; fp=fopen("trial", "r"); return 0; }
Options: The first character in the file,    A structure which contains a char pointer which points to the first character of a file.,    The name of the file.,    The last character in the file.

Ans:B ,B

. From which generation computers the printers were used?
Options: A) first B) second C) third D) fourth


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

Which of the following is not one of the qualitative characteristics that information must have?
Options: relevance,    retrievability,    timeliness,    accuracy

Ans:E ,E

. You can use the format painter multiple times before you turn it off by
Options: a. You can use the format painter button only one time when you click it b. Double clicking the format painter button c. Pressing the Ctrl key and clicking the format painter button d. Pressing Alt key and clicking the format painter button

Ans:– b,– b

. Which of the following operating system does not implement the multitasking truly?
Options: a. Windows 98 b. Windows NT c. Windows XP d. MS DOS

Ans: d, d

Can you combine the following two statements into one? char *p; p = (char*) malloc(100);
Options: char p = *malloc(100);,    char *p = (char) malloc(100);,    char *p = (char*)malloc(100);,    char *p = (char *)(malloc*)(100);

Ans:C ,C

IBM released its first PC in 1981. Can you name the operating system which was most popular at that time?
Options: MS-DOS,    PC-DOS,    OS/360,    CP/M

Ans:D ,D

What multicast addresses does RIPng use?
Options: FF02::A,    FF02::9,    FF02::5,    FF02::6

Ans:B ,B

When a host knows its physical address but not its IP address, it can use _____.
Options: RARP,    ARP,    IGMP,    ICMP

Ans:A ,A

. If you need a text to show vertically in a cell. How will you achieve this?
Options: a. Choose Vertical on Text alignment in Format Cells dialog box b. Choose 90 Degrees in Orientation of Format Cells dialog box c. Choose Distributed from the Vertical drop down list of Format Cells dialog box d. Choose Center Across Selection from Horizontal combo box in Format Cells dialog box

Ans:– b,– b