- •29. Calculate multiplication of two binary numbers 1011 X 101 110111
- •36. What will be the algebraic function for the following graphic sym
- •87. What’s a Boolean equation?
- •88. What’s the Inverter?
- •89. What is a hardwired program?
- •90. How is the Efficiency of Cache memory characterized (estimated)?
- •91. On what (phenomenon) is the write mechanism of a magnetic disk based?
- •92. How are data organized on a magnetic disk?
- •93. How does the user determine the signed and unsigned binary numbers?
- •96. Which of the numbers: (01111)2, (011110)2, (0011)2 are even, and which are odd?
- •97. What’s the difference between decimal and binary counting?
- •98. Is counting in binary different from counting in any other number system?
- •100. Which of the listed below parameters are used for estimation performance of internal (primary) memory?
- •101. Which of the listed below parameters are used for estimation performance of external (secondary) memory?
- •102. Is Processor (cpu) controlled by any hardware or software?
- •103. What’s a software?
- •104. What’s a hardware?
- •136. What will be the number of sides of Koch Snowflake after n iterations?
- •137. Provided that the side of the first equilateral triangle is s for Koch Snowfalke, Length of each side after n iteration is:
- •138. In floating-point arithmetic, addition and subtraction are more complex than multiplication and division. What are basic phase(s) of the algorithm for addition and subtraction?
- •151. What does the or gate require in order to get a high output?
- •152. A gate with a single input and a single output, and it is used to complement, or invert, a digital signal.
- •153. What’s the operation of nand gate?
- •154. What’s the operation of nor gate?
- •161. Calculate subtraction of two binary numbers 101101-100111 110
91. On what (phenomenon) is the write mechanism of a magnetic disk based?
A. It is based on an iron field produced by massive electricity flow through a coil.
B. It is based on an electricity field produced by electricity flow through a coil.
C. It is based on a magnetic field produced by massive ball inside a computer.
D. None of the statements.
E. It is based on a magnetic field produced by electricity flowing through a coil.
92. How are data organized on a magnetic disk?
A. Data are organized on a magnetic disk in a concentric set of rings, called tracks, and each track of the same width as the head.
B. Data are organized on a magnetic disk in a two dimensional matrix of Ferro-magnetic rings.
C. Data are organized on a magnetic disk in a three dimensional matrix of Ferro-magnetic rings.
D. Data are organized on a magnetic disk in a four dimensional matrix of Ferro-magnetic rings.
E. Data are organized on a magnetic disk in a two dimensional matrix and vacuum tubes with Ferro-magnetic rings.
93. How does the user determine the signed and unsigned binary numbers?
A. If the binary number is assumed to be unsigned, then the left-most bit is always 0.
B. If the binary number is assumed to be unsigned, then two left-most bits are 0s.
C. If the binary number is signed, then the left-most significant bit represents the sign and rest of the bits represent the number.
D. If the binary number is assumed to be unsigned, then the right-most bit is 0.
E. If the binary number is assumed to be unsigned, then two right-most bits are 0s.
94. Compare the following numbers: (011)<sub>16</sub>, (011)<sub>2</sub>, (011)<sub>10</sub>.
A. (011) <sub>16</sub> <(011) <sub>10</sub> < (011) <sub>2</sub>.
B. (011) <sub>16</sub> > (011) <sub>10</sub> < (011) <sub>2</sub>.
C. (011) <sub>16</sub> = (011) <sub>10</sub> = (011) <sub>2</sub>.
D. (011) <sub>16</sub> > (011) <sub>10</sub> > (011) <sub>2</sub>.
E. (011) <sub>16</sub> < (011) <sub>10</sub> = (011) <sub>2</sub>.
95. Find the following difference (0011)<sub>2</sub> – (3)<sub>16</sub>.
A. (0011) <sub>2</sub> – (3) <sub>16</sub>. = 55<sub>10</sub>
B. (0011) <sub>2</sub> – (3) <sub>16</sub>. = 56<sub>10</sub>
C. (0011) <sub>2</sub> – (3) <sub>16</sub>.= 1<sub>10</sub>
D. (0011) <sub>2</sub> – (3) <sub>16</sub>.= 56<sub>10</sub>
E. (0011) <sub>2</sub> – (3) <sub>16</sub>.= 0<sub>10</sub>
96. Which of the numbers: (01111)2, (011110)2, (0011)2 are even, and which are odd?
A. The number (011110)2 is even, and the rest of the given numbers are odd.
B. The number (01111)2 is even, and the rest of the given numbers are odd.
C. The number (0011)2 is even, and the rest of the given numbers are odd.
D. The numbers (011110)2, and (0011)2 are even, and the rest of the given numbers are odd.
E. The numbers (01111)2, and (0011)2 are even, and the rest of the given numbers are odd.
97. What’s the difference between decimal and binary counting?
A. Decimal counting uses the symbols 0 through 3, while binary only uses the symbols 0,-1, and 1.
B. Decimal counting uses the symbols 0 through 7, while binary only uses the symbols 0,-0,-1, and 1.
C. Decimal counting uses the symbols 1 through 7, while binary only uses the symbols 0,-0,-1, and 2.
D. Decimal counting uses the symbols 0 through 9, while binary only uses the symbols 0 and 1.
E. Decimal counting uses the symbols 1 through 9, while binary only uses the symbols 0, 1, and 2.