Which of the following layer of OSI model also called end-to-end layer?


Options: Presentation layer B. Network layer C. Session layer D. Transport layer

Ans: – D ,






More Computer Networks Related questions:


. How do you tell one cell from another?
Options: a. By numbers b. By letters c. By its address d. by color

Ans:– c,– c


. Which is a semi conductor memory?
Options: A) Dynamic B) Static C) Bubble D) Both a & b

Ans:D,D


The CPU is made up of control unit ALU and
Options: Memory,    Input-Output,    Register unit,    All of the above

Ans:A ,A


The octal equivalent of the number 11010.1011 is
Options: 32.54,    63.51,    32.27,    All of the above

Ans:A ,A


Which of the following statement is true?
Options: a. Foreign key fields don't allow duplicate values b. In primary key field you can enter duplicate value c. In an indexed field you may or may not enter duplicate value depending upon setting d. All statements are true

Ans:c, c


Name of the first guided weapon in the world which used a programmable digital computer:
Options: Sting Ray Torpedo,    Mk 46 Torpedo,    Air-Launched Cruise Missile (ALCM),    Tomahawk Missile

Ans:A,A


To avoid transmission errors, a check figure is calculated by the
Options: transmitting computer,    receiving computer,    both (a) and (b),    Start and stop bit

Ans:C ,C


What is the name given to the 8-bit unit used for coding data?
Options: block of characters,    byte,    word,    K

Ans:B ,B


. What PowerPoint feature will you use to apply motion effects to different objects of a slide?
Options: a.  Slide Transition b.  Slide Design c.  Animation Objects d.  Animation Scheme

Ans:3 – D ,3 – D


. Which of the following methods CANNOT be used to copy a block of text from one part of a table to another?
Options: a. Press [Ctrl]+[C] and [Ctrl]+[V]. b. Right-click, choose from the shortcut menu Copy and Paste. c. Press [Ctrl]+[+] and [Ctrl]+[-]. d. From the ribbon, select Copy and Paste.

Ans:1 – c ,1 – c


What is the maximum distance running the lowest data rate for 802.11g?
Options: About 100 feet,    About 175 feet,    About 300 feet,    About 350 feet

Ans:C ,C


A system design aid should primarily
Options: help analyse both data and activities,    help in documentation,    generate code,    using a graphical user interface

Ans:A ,A


What is the name of the computer terminal which gives paper printout?
Options: Display screen,    Soft copy terminal,    Hard copy terminal,    Plotter

Ans:C ,C


Labour standards are provided by
Options: IE time and motion study,    analysis of historical data,    both (a) and (b),    neither (a) nor (b)

Ans:C ,C


What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
Options: A) Bus control B) Interrupts C) Bus arbitration D) Status

Ans:-C,-C


RS-232-G
Options: is an interface between two data circuit terminating equipment as examplified by a local and remote modem,    is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment,    specifies only the mechanical characteristics of an interface by providing a 25-pin connector,    requires only 7 pin out of 25 in order to transmit digital data over public telephone lines

Ans:B ,B


. Each model of a computer has a unique

Options: A) Assembly of a computer B) Machine language C) High level language D) All of the above

Ans:B,B


2. ….is the layer of a computer system between the hardware and the user program
Options: a. Operating environment b. Operating system c. System environment d. None

Ans:Correct Answer: b,Correct Answer: b


MSD exe does not have information on:
Options: cache,    video,    operation system,    com ports

Ans:A ,A


What will be the output of the program? #include<stdio.h> #define MIN(x, y) (x<y)? x : y; int main() { int x=3, y=4, z; z = MIN(x+y/2, y-1); if(z > 0) printf("%d\n", z); return 0; }
Options: 3,    4,    0,    No output

Ans:A ,A


The slowest transmission speeds are those of
Options: twisted-pair wire,    coaxial cable,    fiber-optic cable,    microwaves

Ans:A ,A


The primary memory of a personal computer consists of:
Options: ROM only,    RAM only,    Both ROM and RAM,    Memory module

Ans:C ,C


. Which of the following command is used to close the active window?
Options: a. Ctrl+F4 b. Ctrl+F5 c. Alt+F6 d. None of above

Ans:8 – a ,8 – a


Ctrl + A
Options: Align Right B. Select All C. Change font D. Save document

Ans:– B ,


The product structure file is also called the
Options: item master file,    bill of materials file,    operations file,    All of the above

Ans:B ,B


The heart of automation technology is.
Options: robots,    computers,    control,    sensors

Ans:B ,B


. The lower deck of an abacus is known as
Options: A) heaven B) sky C) earth D) floor

Ans:C,C


To add a Header/Footer in Handout
Options: View -> Page Setup B. View -> Header/Footer C. View -> Handout Master D. None of Above

Ans:– C ,


. Which of the following is default location of saving and opening file?
Options: a. Desktop b. My computer c. My documents d. All of above

Ans:6 – c ,6 – c


With an IP address set starting with 150, you currently have six offices that you are treating as subnets. Plans are in place to open 10 more offices before the end of the year. What subnet mask should you use to satisfy the needed number of subnets and maximize the number of hosts available at each site?
Options: 192,    224,    240,    248

Ans:D ,D


Which of the following addressing modes, facilitates access to an operand whose location is defined relative to the beginning of the data structure in which it appears?
Options: ascending,    sorting,    index,    indirect

Ans:C ,C


Which of the following is the address of the router?
Options: The IP address,    The TCP address,    The subnet mask,    The default gateway

Ans:D ,D


ODBC core SQL grammar contains which of the following?:
Options: INSERT, UPDATE, DELETE only,    Stored procedures only,    Full SELECT (includes subqueries) only,    Both 1 and 3 above are contained in the ODBC core SQL.

Ans:D ,D


The data-base environment has all of the following components except:
Options: users,    separate files,    data base,    data-base administrator

Ans:B ,B


Which of the following commands can be used to get information about all users who are currently logged into the system?
Options: which,    who,    who am i,    1 /u

Ans:B ,B


Which of the following is a read only memory storage device?
Options:  Floppy Disk B.  CD-ROM      C.  Hard Disk D.  None of these

Ans:– B ,


Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undeleted error?
Options: one bit or any odd number of bits inverted in a block of data during transmission,    two bits or any even number of bits inverted in a block during transmission,    one bit or any odd number of bits inverted in a byte during transmission,    two bits or any even number of bits inverted in a byte during transmission

Ans:D ,D


The equation for the output frequency of a 555 timer operating in the astable mode is: . What value of C1 will be required if R1 = 1 k, R2 = 1 k, and f = 1 kHz?
Options: 0.33 F,    0.48 F,    480 F,    33 nF

Ans:B ,B


. How can a user open the Expression Builder dialog box?
Options: a. By clicking the drop-down arrow on the Control Source property b. By clicking the drop-down arrow of the Input Mask property in the Data tab c. By clicking the Build button of the Input Mask in the Data tab d. By clicking the Build button of the Control Source property in the Data tab

Ans:2 – d ,2 – d


Which of the following operations moves text from clipboard?
Options: Copy B. Paste C. Drag and Drop D. Cut

Ans:– B ,


. Which of the following is a storage device?
Options: A) Tape B) Hard Disk C) Floppy Disk D) All of the above

Ans:D,D


A program that converts computer data into some code system other than the normal one is known as
Options: Encoder,    Simulation,    Emulator,    Coding

Ans:A ,A


.   Slide show options available to the presenter include all of the following except
Options: a. Transitions command b. Speaker notes command c. Meeting minder command d. Navigation commands

Ans:4 – A ,4 – A


7. …is the first program run on a computer when the computer boots up
Options: a. System software b. Operating system c. System operations d. None

Ans:Correct Answer: b,Correct Answer: b


What is required to enable the PC to emulate a graphics terminal?
Options: Software,    A laser printer,    A color monitor,    A graphics board

Ans:A ,A


Addressing modes
Options: defines the fundamental method of determining effective operand addresses,    are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.,    performs indicated operations on two fast registers of the machine and leave the result in one of the registers.,    all of the above

Ans:B ,B


How many IRQs does a chain of USB devices require?
Options: 1,    2,    3,    4

Ans:A ,A


The systematic access of small computers in a distributed data processing system is referred to as:
Options: dialed service,    multiplexing,    polling,    conversational mode

Ans:C ,C


. How many symbols exist in Baudot code?
Options: A) 32 B) 116 C) 58 D) 76

Ans:0-A,0-A


What is the purpose of flow control?
Options: To ensure that data is retransmitted if an acknowledgment is not received.,    To reassemble segments in the correct order at the destination device.,    To provide a means for the receiver to govern the amount of data sent by the sender.,    To regulate the size of each segment.

Ans:C ,C

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