0. Data access time is depends on


Options: Seek time B. Rotational delay C. Operating frequency D. All of the above

Ans: – D ,


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Which of the following is not a valid data type in excel
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Ans:#8211; b,#8211; b


Versatile report generators can provide
Options: Columnar totals,    Subtotals,    Calculations,    All of the above

Ans:D ,D


With an IP address of 201.142.23.12, what is your default subnet mask?
Options: 0.0.0.0,    255.0.0.0,    255.255.0.0,    255.255.255.0

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The earliest device that qualifies as a digital computer is
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Which of the following are correct preprocessor directives in C? 1: #ifdef 2: #if 3: #elif 4: #undef
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A cursor type in which the application can only move forward through the recordset is called:
Options: forward only.,    static.,    keyset.,    dynamic.

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When connecting two internal SCSI hard disks to a computer, where do you connect the second hard drive?
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A lock that allows concurrent transactions to access different rows of the same table is known as a
Options: Field-level lock B. Row-level lock C. Table-level lock D. Database-level lock

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The operating system of a computer serves as a software interface between the user and
Options: hardware,    peripheral,    memory,    screen

Ans:A ,A


. Workgroup means
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How many times the while loop will get executed if a short int is 2 byte wide? #include<stdio.h> int main() { int j=1; while(j <= 255) { printf("%c %d\n", j, j); j++; } return 0; }
Options: Infinite times,    255 times,    256 times,    254 times

Ans:B ,B


Which of the following is correct regarding Aggregate functions?
Options: it takes a list of values and return a single values as result B. it takes a list of values and return a list of values as result C. it takes a single value and returns a list of values as result D. it takes a single value and returns a single value as result

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What will be the output of the program if it is executed like below? cmd> sample /* sample.c */ #include<stdio.h> int main(int argc, char **argv) { printf("%s\n", argv[argc-1]); return 0; }
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Ctrl + A
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A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. If Delta modulation is selected, then how many bits per second are actually sent?
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