Test Preparation on UGC NET Computer Science Practice Set-4
1.
Pigeonhole principle is?
2.
Pigenhole principle states that if A??B and |A| > |B| then :
3.
The exponent of a floating point number is represented in excess-N code so that
4.
On receiving an interrupt from an I/O device, the CPU
5.
The Karnaugh map for the boolean function F of 4 boolean variables is given below where A,B,C are don?t care conditions. What values of A,B,C, will result in the minimal expression?
6.
In serial communication, an extra clock is needed
7.
The range of numbers that can be stored in 8 bits, if negative numbers are stored in 2?s complement form is
8.
If SUB A, B means B ? A, then SUB 4 (R0), *5 (R1) means ((X) means content of register or memory location X)
9.
A computer uses a floating point representation comprising a signed magnitude fractional mantissa and an excess-16 base-8 exponent. What decimal number is represented by a floating point number whose exponent is 10011 and mantissa 101000 and the sign bit set?
10.
Under which of the following conditions, the size of the array need not be specified?
11.
If a two dimensional array is used as a formal parameter, then
12.
The following program main() {static char a[3] [4] = {?abcd?, ?mnop?,?fghi?}; putchar (**a); }
13.
C does no automatic array bound checking. This is
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