An optical input device that interprets pencil marks on paper media is

Options: O.M.R,    Punch card reader,    Optical scanners,    Magnetic tape



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

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More Computer Fundamental Related questions:

A computer assisted method for the recording and analyzing of existing or hypothetical systems is
Options: Data transmission,    Data flow,    Data capture,    Data processing

Ans:B ,B

Which of the following input/output devices is not associated with personal computers?
Options: mice,    color monitors,    punched cards,    dot-matrix printers

Ans:C ,C

. Insert Date, Format Page Number, and Insert AutoText are buttons on the _____ toolbar.
Options: a. Formatting b. Header and Footer c. Standard d. Edit

Ans:– B,– B

. The translator program used in assembly language is called
Options: A) Compiler B) Interpreter C) Assembler D) Translator


Which command loads a new version of the Cisco IOS into a router?
Options: copy flash ftp,    copy ftp flash,    copy flash tftp,    copy tftp flash

Ans:D ,D

Bit map terminal
Options: support displays containing multiple windows,    requires considerable amount of video RAM,    requires tremendous amount of copying and hence low performance,    All of the above

Ans:D ,D

. Find out who is not the inventor of transistors among following names
Options: A) John Burdeen B) William Shockley C) Walter Brattain D) Lee de Forest


An oval represents which of the following in an ERD?
Options: Attribute,    Entity,    Optional One,    Relationship

Ans:A ,A

. You can group noncontiguous worksheets with
Options: a. The group button on the standard toolbar b. The shift key and the mouse c. The ctrl key and mouse d. The alt+enter key

Ans:– c,– c

If the number of bits in a virtual address of a program is 16 and the page size is 0.5 K bytes, the number of pages in the virtual address space is
Options: 16,    32,    64,    128

Ans:D ,D

The component of an ICAI (Intelligent Computer-Asslsted Instruction) presenting information to the student is the:
Options: student model,    problem-solving expertise,    tutoring module,    All of the above

Ans:C ,C

. What is the shortcut key to insert a new comment in a cell?
Options: F2 B. Alt + F2 C. Ctrl + F2 D. Shift + F2

Ans:– D ,

The manager attempts to expedite, or speed up, the flow of
Options: machines,    manpower,    material,    All of the above

Ans:C ,C

Shortcut Notation for groups of four Binary Digits is called ____________ Number System.
Options: A. Unicode B. Decimal C. Binary D. Hexadecimal


When used with I/O devices, the term intelligent implies
Options: a color output capability,    speech processing capability,    high speed printing capability,    feature to support offline and online tasks

Ans:D ,D

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 of the following is not the user file extension?
Options: a. .ppt b. .xls c. .sys d. .#do

Ans:7 – c ,7 – c

.   A file which contains readymade styles that can be used for a presentation is called
Options: a. Auto style b. Template c. Wizard d. Pre-formatting

Ans:8 – B ,8 – B

How many bit code is used by Murray code for TELEPRINTER machines.
Options: 4,    5,    9,    25


Which key is used to select all the text in the document?
Options: Ctrl+T B. Ctrl+A C. Ctrl+F D. Ctrl+N

Ans:– B ,

The hardware features of LISP machines generally include:
Options: large memory and a high-speed processor,    letter-quality printers and 8-inch disk drives,    a mouse and a specialized keyboard,    both (a) and (c)

Ans:D ,D

_____________ refers to the correctness and completeness of the data in a database?
Options: Data security B. Data integrity C. Data constraint D. Data independence

Ans:– B ,

A relationship should be specified how in the ODL?
Options: One direction starting with the first class,    One direction starting with the second class,    Neither direction.,    Both directions.

Ans:D ,D

Terminals are used to
Options: collect data from the physical system,    provide information for the manager,    communicate management decisions to the physical system,    All of the above

Ans:D ,D

Which of the following describes an industry-wide standard suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer 3 Network layer of the OSI model?
Options: HDLC,    Cable,    VPN,    IPSec

Ans:D ,D

What will you do to treat the constant 3.14 as a long double?
Options: use 3.14LD,    use 3.14L,    use 3.14DL,    use 3.14LF

Ans:B ,B

. Which of the following does not support more than one program at a time?
Options: a. DOS b. Linux c. Windows d. Unix

Ans: a, a

The disadvantages of "Compile and Go" loading scheme is (are):
Options: a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.,    it is necessary to retranslate the user's program deck every time it is run.,    it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.,    all of the above

Ans:D ,D

. Disk label name can be up to ….characters
Options: a. 8 b. 9 c. 11 d. 255

Ans:9 – c ,9 – c

. The command to display the contents of a file
Options: a. TYPE it fast b. COPY CON c. COPY CON d. None of above

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If every non-key attribute is functionally dependent on the primary key, the relation will be in
Options: First Normal Form B. Second Normal Form C. Third Normal Form D. Fourth Formal Form

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Which of the following capabilities is required for a system program to execute more than one program at a time?
Options: word processing,    compiling,    virtual memory,    multitasking

Ans:D ,D

The two classification of inputs are:
Options: energies and maintenance,    products and waste,    maintenance and waste,    maintenance and signal

Ans:D ,D

A device that converts chemical energy to electrical energy is called a:
Options: solar cell,    thermocouple,    chemical cell,    electric device

Ans:C ,C

Doubling the operating frequency of a purely capacitive circuit:
Options: has no effect on the total circuit current,    doubles the amount of total current,    cuts the total current by one-half,    thrice the amount of total current

Ans:B ,B

Which of the following statements is not true?
Options: a. You can type text directly into a PowerPoint slide but typing in text box is more convenient. b. From Insert menu choose Picture and then File to insert your images into slides. c. You can view a PowerPoint presentation in Normal, Slide Sorter or Slide Show view. d. You can show or hide task pane from View >> Toolbars

Ans:– A ,– A

What will be the output of the program? #include<stdio.h> int main() { float a=0.7; if(a < 0.7f) printf("C\n"); else printf("C++\n"); return 0; }
Options: C,    C++,    Compiler error,    Non of above

Ans:B ,B

Which controller would support an external CD-ROM drive?
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Ans:D ,D

Which device should not be plugged into a standard ups?
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Ans:B ,B

A temporary storage area, attached to the CPU, for I/O operations is a:
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Ans:C ,C

Software in computer
Options: A) Enhances the capabilities of the hardware machine B) Increase the speed of central processing unit C) Both of above D) None of above


The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband.
Options: Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel,    Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable,    Baseband refers to local area networks, and broadband refers to wide area networks.,    Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed

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Options: A packet may be lost B. Packets may arrive out of order C. Duplicate packets may be generated D. All of the above

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Options: a. Checks the disk b. Give information about disk c. Run from DOS mode d. All of the above

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What causes the depletion layer?
Options: Doping,    Recombination,    Barrier potential,    Ions

Ans:C ,C

Information concerning the probability distribution of a profit rate can be generated by using:
Options: electronic spreadsheet,    artificial intelligence,    time-series analysis,    management science techniques

Ans:D ,D

A database can be best described as
Options: a. Organized collection of data b. Useful presentation of data c. Graphical representation of data d. All of above

Ans:ndash; a,ndash; a

Which computer was considered the first electronic computer until 1973 when court invalidated the patent?
Options: A) ENIAC B) MARK I C) Z3 D) ABC


Which keystroke is used for updating a field?
Options: A. F6 B. F9 C. F11 D. F12

Ans:B ,F9