The bubbles in a bubble memory pack are created with the help of?

Options: Laser beam,    Magnetic field,    Electric field,    X-ray



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

Hits Today: 11366 | 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:

. What was the nick name of the computer used by the Americans in 1952 for their H-bomb project?



Which access method is used for obtaining a record from a cassette tape?
Options: Direct,    Sequential,    Random,    All of the above


The traditional way to exit and LISP system is to enter
Options: quit,    exit,    bye,    ok

Ans:B ,B

Which programming language is based on Algol 60.
Options: PILOT,    SNOBOL,    ADA,    SIMULA


What is the term used when a clip art image changes the direction of faces?
Options: a. Group b. Flip c. Rotate d. All of the above

Ans: – C , – C

Which is a unit representing the no bits of discrete.
Options: Baud,    Byte,    Bit,    All of the above

Ans:A ,A

What scheduling algorithm allows processes that are logical runnable to be temporarily suspended?
Options: preemptive scheduling,    non-preemptive scheduling,    FIFO,    FCFS

Ans:A ,A

. Which is NOT an option of the Picture Size Mode property?
Options: a. Clip b. Fit c. Stretch d. Zoom

Ans:7 – b ,7 – b

The physical system of the firm may be regarded as a flow of
Options: manpower, machines, material, and money,    information only,    manpower, machines, material, money, and information,    manpower, machines, material, money, and data

Ans:A ,A

A communications medium that uses pulses of laser light in glass fibers. Select the best fit for answer:
Options: Fiber optic cables,    Cellular phone systems,    Telecommunications processors,    Telecommunications software

Ans:A ,A

For a memory system, the cycle time is
Options: same as the access time,    longer than the access time,    shorter than the access time,    submultiple of the access time

Ans:B ,B

.   Which of the following you must first complete in order to delete an object?
Options: a. Double click the image b. Select the image c. Resize the image d. Move the image to a new location

Ans:6 – B ,6 – B

Long-range planning report produced in an MIS are primarily designed for
Options: top management,    middle management,    lower management,    All of the above

Ans:A ,A

MAC is
Options: a method of determining which device has access to the transmission medium at any time,    a method access control technique or multiple-access transmission media,    a very common bit-oriented data link protocol issued to ISO.,    network access standard for connecting stations to a circuit-switched network

Ans:A ,A

. Which of the following is drop down list?
Options: a. List b. Combo box c. Text area d. None

Ans: b, b

The operation of a digital computer is based on _____ principle.
Options: counting,    measuring,    electronic,    logical

Ans:A ,A

Point out the error in the following program. #include<stdio.h> #include<stdarg.h> fun(...); int main() { fun(3, 7, -11.2, 0.66); return 0; } fun(...) { va_list ptr; int num; va_start(ptr, n); num = va_arg(ptr, int); printf("%d", num); }
Options: Error: fun() needs return type,    Error: ptr Lvalue required,    Error: Invalid declaration of fun(...),    No error

Ans:C ,C

In which phase of the laser printing process is a positive charge placed on the paper to pull the toner from the print drum?
Options: Writing,    Transferring,    Conditioning,    All of the above

Ans:B ,B

The merging of a free electron and a hole is called
Options: Covalent bonding,    Lifetime,    Recombination,    Thermal energy

Ans:C ,C

Which of the following communications service provides message preparation and transmission facilities?
Options: Teletex,    Teletext,    x400,    Fax

Ans:A ,A

Which programming language is based on Algol 60.
Options: PILOT,    SNOBOL,    ADA,    SIMULA

Ans:D ,D

. … are list of commands that appear on the screen
Options: a. GUIS b. Icons c. Menus d. Windows

Ans:6 – c ,6 – c

With respect to data input, the most accurate description of batch control is
Options: dividing documents to be entered into batches,    controlling the input of each input clerk,    comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system,    All of the above

Ans:C ,C

If the memory slots have 30 pins then the chip is a?
Options: DIMM,    SIMM,    SDRAM,    All of the above

Ans:B ,B

A periodic report can be used to
Options: identify the problem,    evaluate solutions,    identify solutions,    select solutions

Ans:A ,A

A characteristic of card systems is:
Options: slowness in processing data,    using cards as records of transactions,    needing a larger DP staff,    all the above

Ans:D ,D

Which of the following' is NOT a characteristic of good test data?
Options: should be comprehensive,    users do not participate at this preliminary stage,    every statement should be executed,    expected output from the module's execution should be determined manually

Ans:B ,B

In Microsoft PowerPoint, two kinds of sound effects files that can be added to the presentation are
Options: a. .wav files and .mid files b. .wav files and .gif files c. .wav files and .jpg files d. .jpg files and .gif files

Ans: – A , – A

The SQL -92 wildcards are ____ and ____ .
Options: asterisk (*); percent sign (%),    percent sign (%); underscore (_),    underscore(_); question mark (?),    question mark (?); asterisk (*)

Ans:B ,B

A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns?
Options: 0.1 A,    1000 A,    10 A,    100 A

Ans:B ,B

The company that grew out of research at the MIT AI lab is:
Options: AI corp,    LMI,    Symbolics,    both (b) and (c)

Ans:D ,D

In the DOS memory model, the HIGH Memory Area (HMA). is the _____ memory.
Options: Last 64k of conventional,    Last 64k of extended,    First 64k above conventional,    First 64k of extended

Ans:D ,D

You can set a controls border type to make the border invisible.
Options: a. Transparent b. Invisible c. Do not display d. No border

Ans:ndash; c,ndash; c

. Charles Babbage was awarded by Royal Society for his
Options: A) Difference Engine B) Analytic Engine C) Binary System in Analytic Engine D) His concept of input, mill, output and storage


During the implementation phase, the executive vice-president is primarily concerned with
Options: planning,    organizing,    directing,    controlling

Ans:D ,D

. 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

Which of the following, is a component of an expert system?
Options: inference engine,    knowledge base,    user interface,    All of the above

Ans:D ,D

. The command used to copy a file named temp.doc from drive C: to drive A : is
Options: a. Copy temp.doc to a: b. Copy c: emp.doc a: c. Copy c: a: d. Copy temp a: c:

Ans:Correct Answer: b ,Correct Answer: b

Which of the following affects the extent to which you are involved with the system development life cycle in your company?
Options: your job description,    size of the organization,    your relevant experience,    All of the above

Ans:E ,E

. In a junction table, the _____ field consists of the foreign key from both the linked tables.
Options: a. first defined b. last defined c. foreign key d. primary key

Ans:7 – c ,7 – c

Which of the following is not tree of operational decisions?
Options: concern the execution of specific tasks,    primarily made by middle management,    usually have present standards,    include acceptance or rejection of credit

Ans:B ,B

With which view can you see how text and graphics will appear on the printed page?
Options: Normal B. Print Layout C. Outline D. Web Layout

Ans:– B ,

What will be the output of the program (myprog.c) given below if it is executed from the command line? cmd> myprog one two three /* myprog.c */ #include<stdio.h> int main(int argc, char **argv) { printf("%c\n", **++argv); return 0; }
Options: myprog one two three,    myprog one,    o,    two

Ans:C ,C

How may standard levels of interrupts are provided on the 8-bit ISA bus (XT-class computer)?
Options: 4,    8,    12,    16

Ans:B ,B

Network 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 Gateway(config)# router rip Gateway(config-router)# network Gateway(config-router)# network default
Options: 1 only,    3 only,    1, 2 and 4,    1 and 4

Ans:D ,D

The Third Generation Computer was made with ________.
Options: Vacuum Tube B. Discrete Components C. IC D. Bio Chips

Ans:– C ,

The situation when in a linked list START=NULL is
Options: a. underflow b. overflow c. housefull d. saturated  


Which of the following is a layer 2 protocol used to maintain a loop-free network?
Options: VTP,    STP,    RIP,    CDP

Ans:B ,B

. Which command will you choose to convert a column of data into row?
Options: a.  Cut and Paste b.  Edit >> Paste Special >> Transpose c.  Both of above d.  None of above

Ans:– b,– b

Which IP address class has few hosts per network?
Options: D,    C,    B,    A

Ans:B ,B