Why is the width of the data bus so important to the processing speed of a computer?

Options: The narrower it is, the greater the computer's processing speed,    The wider it is, the more data that can fit into main memory,    The wider it is, the greater the computer's processing speed,    The wider it is, the slower the computer's processing speed


More Computer Fundamental Related questions:

. Which of the following is not a valid Zoom percentage in Excel?
Options: a. 10 b. 100 c. 300 d. 500

Ans:– d,– d

Plotter accuracy is measured in terms of repeatability and:
Options: intelligence,    vertical dimension,    resolution,    buffer size

Ans:C ,C

Which is true regarding EIGRP successor routes? A successor route is used by EIGRP to forward traffic to a destination. Successor routes are saved in the topology table to be used if the primary route fails. Successor routes are flagged as "active" in the routing table. A successor route may be backed up by a feasible successor route. Successor routes are stored in the neighbor table following the discovery process.
Options: 1 and 3,    2 and 3,    1 and 4,    3, 4 and 5

Ans:C ,C

When mapping a ternary relationship with an associative entity into a relation which of the following is true?
Options: One relation is created.,    Two relations are created.,    Three relations are created.,    Four relations are created.

Ans:D ,D

. Which statement is valid about magnetic tape?
Options: A) It is a plastic ribbon B) It is coated on both sides with iron oxide C) It can be erased and reused D) All of above


. In order to email a Word document from withing MS Word
Options: a. Office button >> Send to >> Mail Recipient b. Save the file as an email attachment c. Start Outlook and attach the file while open in Word d. This is an impossible operation

Ans:– A,– A

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


How long is an IPv6 address?
Options: 32 bits,    128 bytes,    64 bits,    128 bits

Ans:D ,D

Which of the following is an essential file of a MS-DOS boot disk?


Today's engineers feel that the ultimate solution to the CAD/CAM problem will be
Options: Animation,    the microprocessor,    turnkey systems,    development of a more efficient display controller

Ans:B ,B

System maintenance:
Options: is usually not necessary,    is necessary on all systems, regardless of how good,    is not required if the system is well written,    always requires several programs

Ans:B ,B

  The arrangement of elements such as Title and subtitle text, pictures, tables etc. is called :
Options: Layout B. Presentation C. Design D. Scheme

Ans:– A ,

Personnel who design, program, operate and maintain computer equipment refers to
Options: Console-operator,    Programmer,    Peopleware,    System Analyst

Ans:C ,C

. Pick out odd
Options: a. Windows b. Window c. DOS d. Linux

Ans:5 – b ,5 – b

UDP is:
Options: Not a part of the TCP/IP suite,    Connection oriented and unreliable,    Connection orientated and reliable,    Connectionless and unreliable

Ans:D ,D

The engineering change control system makes changes in the
Options: operations file,    production schedule,    work force data,    All of the above

Ans:A ,A

How many JDBC driver types does Sun define?
Options: One,    Two,    Three,    Four

Ans:D ,D

What is meant by the term RAM?
Options: Memory which can only be read,    Memory which can be both^read and written to,    Memory which is used for permanent storage,    Memory which can only be written to

Ans:B ,B

Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage?
Options: The voltage remains at one polarity and at a steady level,    The voltage remains at one polarity but changes value periodically,    The voltage causes current to flow in two directions at the same time,    The voltage reverses polarity periodically

Ans:B ,B

A technique used by codes to convert an analog signal into a digital bit stream is known as
Options: Pulse code modulation,    Pulse stretcher,    Query processing,    Queue management

Ans:A ,A

Which is an electronic device that can store temporarily a single bit of data.
Options: Accumulator,    Buffer,    Memory,    Latch

Ans:D ,D

A record management system
Options: a. can handle many files of information at a time b. can be used to extract information stored in a computer file c. always uses a list as its model d. both a and b 


Which is the most widely used semiconductor?
Options: Copper,    Silicon,    Germanium,    All of the above

Ans:B ,B

Each record is constituted by a number of individual data items which are called
Options: a. Fields b. Data Types c. Relations d. Tables

Ans:ndash; a,ndash; a

.   Right clicking something in PowerPoint
Options: a. Deletes the object b. Selects the object c. Opens a shortcut menu listing for the object d. Nothing he right mouse button for operation

Ans:9 – C ,9 – C

Which of the following is the fastest?
Options: CPU,    magnetic tapes and disks,    video terminal,    sensors, mechanical controllers

Ans:A ,A

Where one has to process all the data records in a file, the best tile organization is
Options: Indexed,    sequential,    direct access,    random access

Ans:B ,B

. Which of the following is not an option in the spelling dialog box?
Options: a. Edit b. Ignore c. Ignore all d. Change

Ans:– a,– a

How can you remove tab stop markers from ruler?
Options: a. Double click the tab marker and choose Clear All b. Drag the tab stop marker out of the ruler c. Right click the tab stop marker and choose remove d. All of above

Ans:– B,– B

. Assembly language started to be used from
Options: A) first generation computers B) second generation computers C) third generation computers D) fourth generation computers


Data System management has long-term viability as a separate business function because
Options: It requires much technical knowledge,    It requires large investments,    Specialists in data systems cannot be integrated into a marketing or manufacturing organization,    An integrated database accessible to all requires independent management

Ans:D ,D

Which of the following statement is true
Options: a. Reports can be used to retrieve data from tables and calculate b. Queries can be printed in well formatted manner and presented as the information c. Queries can include calculated fields that do not exist in table d. Reports and forms are similar but forms are use to print but reports to display on screen only

Ans:ndash; c,ndash; c

The key F12 opens a
Options: a. Save As dialog box b. Open dialog box c. Save dialog box d. Close dialog box

Ans:– A,– A

In which addressing mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the operands?
Options: index addressing,    indirect addressing,    auto increment,    auto decrement

Ans:D ,D

Which of the following device is used to connect two systems, especially if the systems use different protocols?
Options: hub,    bridge,    gateway,    repeater

Ans:C ,C

. While inserting a diskette into the diskette drive of a PC, the diskette’s label side should face

Options: A) East B) North C) South D) Up


    Who invented Analytical engine?
Options: Blaise Pascal B. George Bool C. Charles Babbage D. Dr. Herman Hollerith

Ans:– C ,

In an absolute loading scheme, which loader function is accomplished by assembler
Options: Reallocation,    Allocation,    Linking,    Loading

Ans:A ,A

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

. What does the VLOOKUP function do?
Options: a. Looks up text that contain ‘v’ b. Checks whether text is the same in one cell as in the next c. Finds related records d. All of above

Ans:– c,– c

Which of the following statement is correct prototype of the malloc() function in c ?
Options: int* malloc(int);,    char* malloc(char);,    unsigned int* malloc(unsigned int);,    void* malloc(size_t);

Ans:D ,D

What is the name of the network topology in which there are bi-directional links between each possible node?
Options: Ring,    Star,    Tree,    Mesh

Ans:D ,D

.    Which command displays the directory list including files in tree structure?
Options: a.    Dir/s/f b.    Tree/f c.    Tree/s/f d.    Dir/f

Ans:. b,Correct Answer: b. Tree/f

. What is the maximum zoom percentage in Microsoft PowerPoint?
Options: a. 100 b. 200 c. 300 d. 400

Ans:7 – D ,7 – D

. A hard copy would be prepared on a
Options: A) Line printer B) Dot matrix Printer C) Typewriter terminal D) All of the above


58. You can jump to the next column by
Options: a. Clicking with your mouse on the next column b. Press Alt + Down-arrow c. Both of above d. None of Above

Ans:– C ,– C

The approach used in top-down analysis and design is
Options: to identify the top level functions by combining many smaller components into a single entity,    to prepare flow charts after programming has been completed,    to identify a top level function an d then create a hierarchy of lower-level modules and components.,    All of the above

Ans:C ,C

. ….is a new windows feature that offers a number of methods for searching for a file or folder?
Options: a. Find b. Search c. Locate d. All of the above

Ans:8 – a ,8 – a

The direction of conventional current flow is:
Options: from negative to positive,    from positive to negative,    from left to right,    from neutral to positive

Ans:B ,B

. What are the requirements for the solution to critical section problem?
Options: a. Mutual Exclusion b. Progress c. Bounded Waiting d. All of Above

Ans:5 – d ,5 – d