Router operates in which layer of OSI Reference Model?

Options:  Layer 1 (Physical Layer) B.  Layer 3 (Network Layer) C.  Layer 4 (Transport Layer) D.  Layer 7 (Application Layer)

Ans: – B ,

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Most algorithms follow the format of
Options: Entering the input items, then displaying the input items, and then processing the output items,    Entering the input items, then processing the output items, and then displaying the output items,    Entering the input items, then processing the input items, and then displaying the output items,    Entering the output items, then displaying the output items, and then processing the output items

Ans:C ,C

A logic gate is an electronic circuit which
Options: makes logic decisions,    allows electron flow only in one direction,    works on binary algebra,    alternates between 0 and 1 values

Ans:A ,A

. Which of the following shortcuts can be used to insert a new line in the same cell?
Options: Enter B. Alt + Enter C. Ctrl + Enter D. Shift + Enter

Ans:– B ,

Which industry is the leading user of robots?
Options: Chemical industry,    Automobile industry,    Electronic industry,    Shipping industry

Ans:B ,B

Which statements are true regarding ICMP packets? They acknowledge receipt of a TCP segment. They guarantee datagram delivery. They can provide hosts with information about network problems. They are encapsulated within IP datagrams.
Options: 1 only,    2 and 3,    3 and 4,    2, 3 and 4

Ans:C ,C

Slide Transaction can be apply to
Options: Current Slide B. Selected Slides C. All Slides D. All of the above

Ans:– D ,

The complexity of merge sort algorithm is
Options: a. O(n) b. O(log n) c. O(n2) d. O(n log n)  


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Options: a. Hanging Indent b. Left Indent c. Open Tabs Dialog box d. Terminate all opened Dialog box

Ans:–  A,–  A

. A/n _____ Device is any device that provides information, which is sent to the CPU

Options: A) Input B) Output C) CPU D) Memory


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Options: A) It is expensive relative to magnetic tape B) It provides only sequential access to stored data C) Users can easily update records by writing over the old data D) All of above


. PowerPoint design templates are stored in a file with this extension.
Options: a. .ptt b. .pot c. .ppt d. .dtp

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A checksum digit is used for detecting Errors in
Options: Data transmission,    Arithmetic operations,    Logical operations,    All of the above

Ans:A ,A

What is the function of an operating system?
Options: Manages computer’s resources very efficiently B. Takes care of scheduling jobs for execution C. Manages the flow of data and instructions D. All of the above

Ans:– D ,

The physical layer, in reference to the OSI model, defines
Options: data link procedures that provide for the exchange of data via frames that can be sent and received,    the interface between the X.25 network and packet mode device,    the virtual circuit interface to packet-switched service,    All of the above

Ans:B ,B

An information system that supplies information specifically to aid managers with decision-making responsibilities is called a
Options: DBMS,    MIS,    DSS,    DBA

Ans:B ,B

. The shortcut key to open a task manager is:
Options: a. Alt + F1 b. Alt + Ctrl + Delete c. Alt + Tab d. F1

Ans:0 – b ,0 – b

Which one of the following statements is true for the voltage in a parallel RC circuit?
Options: The voltage always has the same amplitude and phase for every part of the circuit,    The total voltage is equal to the sum of the voltages across the resistance and capacitance,    The total voltage leads the total current by less than 90 degree,    The total voltage is less than the sum of the voltages across the resistance and capacitance

Ans:A ,A

Pipeline implement
Options: A . fetch operand B . calculate operand C . execute instruction D . all of above

Ans:D, all of above

Indicate which, of the following, in not true about an interpreter
Options: Interpreter generates an object program from the source program,    Interpreter is a kind of translator,    Interpreter analyses each source statement every time it is to be executed,    All of the above

Ans:A ,A

. The Second Generation Computer was based on ________.
Options: A) Vacuum Tube B) Silicon Chips C) Transistor D) Bio Chips


A Turnaround document
Options: is circulated among all the staff of an organization.,    is circulated among all the heads of departments of an organization.,    is output at one point which later comes back as an input,    All of the above

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Four routers have to be interconnected in a point-to-point Network. Each pair of root us may connected by a high-speed line, a medium speed line or a low speed line. Find the total number of topologies.
Options: 12,    81,    48,    729

Ans:D ,D

Which of the following activities, does not belong to the Implementation phase of the SDLC?
Options: File conversion,    Program testing,    User training,    All of the above

Ans:B ,B

Point out the error in the program? struct emp { int ecode; struct emp e; };
Options: Error: in structure declaration,    Linker Error,    No Error,    None of above

Ans:A ,A

Detailed project control answers the questions
Options: when and how much?,    who and why?,    when and where?,    who and when?

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“Ctrl + Right Arrow” is used to
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Ans:–  A,–  A

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 ,

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Options: Magnetic tape,    Voice response unit,    Voice recognition unit.,    Voice band


The first generation of computers available was based on the bit micro processors.
Options: 4,    8,    16,    64


Which of the following items are not necessary for client/server?
Options: Assure that tools will connect with middleware.,    Understand the requirements.,    Determine network bandwidth capabilities.,    Include the use of a file server.

Ans:D ,D

All of the following tools are used for process descriptions except:
Options: structured english,    decision tables,    pseudocode,    data dictionaries

Ans:D ,D

. Hard disk is coated in both sides with
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Options: First generation,    Second generation,    Third generation,    Fourth generation

Ans:B ,B

. You can print only an embedded chart by
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Ans:– d,– d

. Which of the following functions CANNOT be used in the Totals row?
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Why is the width of the data bus so important to the processing speed of a computer?
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Options: Motherboard,    Track ball,    Scanner,    Mouse


If the ASCII character H is sent and the character I is received, what type of error is this?
Options: single-bit,    multiple-bit,    burst,    recoverable

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Computer support to the manager has been least in
Options: alternative identification,    alternative selection,    problem identification,    alternative evaluation

Ans:A ,A

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Which of the following terms refers to the degree to which data in a database system are accurate and correct?
Options: data security,    data validity,    data independence,    data integrity

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Options: a. line b. relationship c. primary key d. records

Ans:ndash; b,ndash; b

What is the name of the display feature that highlights areas of the screen which require operator attention?
Options: Pixel,    Reverse video,    Touch screen,    Cursor

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In 1985, the famous chess player David Levy beat a world champion chess program in four straight games by using orthodox moves that confused the program. What was the name of the chess program?
Options: Kaissa,    CRAY BLITZ,    Golf,    DIGDUG

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Options: eliminate data redundancy,    establish relationships among records in different files,    manage file access,    maintain data integrity

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Options: CDP,    CISA,    DPMA,    EDP auditor

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A transistor has how many doped regions?
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