- •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
151. What does the or gate require in order to get a high output?
A. The OR gate requires that all of its inputs are HIGH in order to get LOW outputs.
B. The OR gate requires that one of its inputs is HIGH in order to get LOW outputs.
C. The OR gate requires that three of its inputs are HIGH in order to get two LOW outputs.
D. The OR gate requires that four of its inputs are HIGH in order to get three LOW outputs.
E. The OR gate requires that at least one of its inputs is HIGH in order to get HIGH outputs.
152. A gate with a single input and a single output, and it is used to complement, or invert, a digital signal.
A. Inverter
B. Converter
C. Multiplexor
D. Encoder
E. Decoder
153. What’s the operation of nand gate?
A. The operation of the NAND gate is the same as the OR gate except that its input is inverted.
B. The operation of the NAND gate is the same as a flip-flop except that its outputs are converted.
C. The operation of the NAND gate is the same as the AND gate except that its output is inverted.
D. The operation of the NAND gate is the same as of two combined flip-flops except that its outputs are converted.
E. The operation of the NAND gate is the same as of five combined flip-flops except that its outputs are converted.
154. What’s the operation of nor gate?
A. The operation of NOR gate is that of the OR gate except its output is inverted.
B. The operation of NOR gate is that of the AND gate except its output is inverted.
C. The operation of NOR gate is that of the NAND gate except its output is 0.
D. The operation of NOR gate is that of a flip-flop except its output is inverted.
E. The operation of NOR gate is that of two flip-flops except its output is negative.
155. How many gates are required to implement the Boolean equation<br/>X = (A + B)C<br/>?
A. 64 flip-flops.
B. 15 NANDs.
C. 32 NORs.
D. 2 gates.
E. 4 gates.
156.Convert (71)16 to decimal 113
157. Conver (10101011)2 to hexadecimal AB
158. Convert (10101011)2 to octal 253
159.Convert (71)16 to octal 161
160.Convert (71)16 to binary 1110001
161. Calculate subtraction of two binary numbers 101101-100111 110
162. Convert (10101011)2 to decimal 171