98. Is counting in binary different from counting in any other number system?
A. Counting in binary is different to counting in any other number system: completing with a pair digits, counting doesn’t proceed through each symbol, in increasing order.
B. Counting in binary is similar to counting in any other number system: beginning with a single digit, counting proceeds through each symbol, in increasing order.
C. Counting in binary is different to counting in some other number system: starting with a dosen digits counting doesn’t proceed through each symbol, in increasing order.
D. Counting in binary is different to counting in any other number system: compare with a pair digits, counting isn’t possible through each symbol, in increasing order.
E. Counting in binary is different to counting in any other number system: completing with an even digits, counting can’t be proceed through each symbol, in increasing order.
99. Which of the numbers: (0110)<sub>3</sub>, (001) <sub>3</sub>, (0011) <sub>3</sub> , (111) <sub>3</sub> are even?
A. (0110) <sub>3</sub>, (0011) <sub>3</sub>.
B. (001) <sub>3</sub>, (0011) <sub>3</sub>.
C. (0110) <sub>3</sub>, (001) <sub>3</sub>.
D. (111) <sub>3</sub>
E. (001) <sub>3</sub>
100. Which of the listed below parameters are used for estimation performance of internal (primary) memory?
A. Width.
B. Length.
C. Distance.
D. Rotation period.
E. Access time.
101. Which of the listed below parameters are used for estimation performance of external (secondary) memory?
A. Width; Depth.
B. Distance; Search period.
C. Access time; Transfer rate.
D. Frequency; Voltage.
E. Scale of notation; Rotation.
102. Is Processor (cpu) controlled by any hardware or software?
A. It is controlled by software programs, that allow execute all digital arithmetic, logic, and I/O operations.
B. It is not controlled by software programs, that doesn’t allow execute all digital arithmetic, logic, and I/O operations.
C. It is controlled only by hardware, that allow execute all digital arithmetic, logic, and I/O operations.
D. It is controlled by the CPU controller, that allow execute all digital arithmetic, logic, and I/O operations.
E. It is controlled by a special hardware device, that allow execute all digital arithmetic, logic, and I/O operations.
103. What’s a software?
A. Computer components that give step-by-step operands to a computer to solve a problem.
B. Computer program statements that give step-by-step instructions to a computer to solve a problem.
C. Computer program statements and components that give step-by-step signals to a computer to solve a problem.
D. Set of gates that give step-by-step pulses to computer storage devices to solve a problem.
E. Computer system environment that give information to a computer to protect data.
104. What’s a hardware?
A. Computer program statements that give step-by-step instructions to a computer to solve a problem.
B. Computer components that give step-by-step instructions to a computer to solve a problem.
C. The electronic signals that give step-by-step instructions to a computer to solve a problem.
D. The integrated circuits and electronic devices that make up a computer system.
E. The binary gates and mechanic devices that make up a computer program.
105. What are peripherals?
A. Internal devices attached to the CPU on-line are called peripherals.
B. External devices not attached to the computer are called peripherals.
C. Input or output devices attached to the computer on-line are called peripherals.
D. Remote devices used by the computer off-line are called peripherals.
E. Devices not attached to the System Block on-line are called peripherals.
106. Base elements of information, such as numbers, letters, symbols, and so on, which are processed or carried out by human or computer (or by some machine).
A. Data
B. Sequence
C. Context
D. Information
E. Processor
107. Controls the operation of the computer and performs its data processing functions.
A. CPU
B. Main memory
C. I/O
D. Bus
E. Registers
108. Moves data between the computer and its external environment.
A. CPU
B. Main memory
C. I/O
D. Bus
E. Registers
109. Which of the following statement(s) is(are) NOT function(s) of a computer?
A. Data processing
B. Data storage
C. Data movement
D. Control
E. Data destruction
110. Which machine was a decimal rather than a binary machine?
A. ENIAC
B. BRL
C. EDVAC
D. IBM-360
E. MARK-I
111. In which machines numbers were represented in decimal form and arithmetic was performed in the decimal system?
A. ENIAC
B. BRL
C. EDVAC
D. IBM-360
E. MARK-I
112. CPU of EDVAC consists of:
A. Arithmetic-logic unit (ALU)
B. Logical XOR chip
C. Program control unit
D. Cache memory
E. All of the statements
113. Crucial innovation(s) that was(were) formulated by John Von Neumann:
A. A main memory, which stores both data and instructions
B. Data must be stored in decimal system
C. A main memory, which consists of 20 accumulators
D. The concept of a random access to any memory cell for reading and writing
E. All of the statements
114. According to Boolean Algebra what will be the output: x + x’ = 1
115. According to Boolean Algebra what will be the output: x + x = x
116. According to Boolean Algebra what will be the output: (x + y)’ = x’y’
117. According to Boolean Algebra what will be the output: x + xy = x
118. According to Boolean Algebra what will be the output: x ∙ 1 = x
119. According to Boolean Algebra what will be the output: x ∙ x’ = 0
120. According to Boolean Algebra what will be the output: x ∙ x = x
121. According to the given truth table find out F1 =? <br/><br/>
122. What will be the algebraic function for the given gate?<br/><br/>
A. F = xy’ + x’y
B. F = (x + y)’
C. F = xy + x’y’
D. F = x
E. F = x’
123. What will be the algebraic function for the given truth table?<br/><br/>
A. F = xy + x’y’
B. F = xy’ + x’y
C. F = (x + y)’
D. F = x
E. F = x’
124. Suppose that the base of the number system is m = 4. Let there be n-bit cell. Point is located at the right of the least significant digit of the cell and we consider the fixed-point number. The
left-most digit of the cell, the discharge mark<br/><br/>The maximum number represented by such cell
A. 1-n(-4)
B. n(4)
C. 4(n)
D. 1-4(-n)
E. None of the statements
125. Suppose that the base of the number system is m = 2. Let there be n-bit cell. Point is located at the right of the least significant digit of the cell and we consider the fixed-point number. The left-most digit of the cell, the discharge mark<br/><br/>The maximum number represented by such cell
A. 10<sup>4</sup> - 1
B. 10<sup>n</sup>
C. n<sup>2</sup>
D. 2(n) - 1
E. 2<sup>n</sup>
126. Suppose that the base of the number system is m = 16. Let there be n-bit cell. Point is located between the sign of the digit (the fixed-point number) and the most significant digit. <br/><br/>The maximum number represented by such cell
A. 1
B. 1 – 16(-n)
C. 16<sup>-n</sup> - 1
D. 1 - 2<sup>-n</sup>
E. 2<sup>n</sup>
127. Suppose that the base of the number system is m = 8. Let there be n-bit cell. Point is located between the sign of the digit (the fixed-point number) and the most significant digit. <br/><br/>The maximum number represented by such cell
A. 2
B. 1 – 8(-n)
C. 1
D. 1 - 2<sup>-8</sup>
E. 2<sup>-n</sup>
128. Suppose that the base of the number system is m = 4. Let there be n-bit cell. Point is located between the sign of the digit (the fixed-point number) and the most significant digit. <br/><br/>The maximum number represented by such cell
A. 4(n)-1
B. n<sup>4</sup>
C. 1 – 4<sup>-n</sup>
D. 1 – n<sup>-4</sup>
E. None of the statements
129. Suppose that the base of the number system is m = 16. Let there be n-bit cell. Point is located between the sign of the digit (the fixed-point number) and the most significant digit. <br/><br/> Minimum in absolute value and a non-zero number can be represented in this way is
A. 16(-n)
B. 1 – 16<sup>-n</sup>
C. 16<sup>-n</sup> -1
D. 1
E. None of the statements
130. Suppose that the base of the number system is m = 8. Let there be n-bit cell. Point is located between the sign of the digit (the fixed-point number) and the most significant digit. <br/><br/> Minimum in absolute value and a non-zero number can be represented in this way is
A. 1 – 8<sup>-n<sup>
B. 1
C. 8(-n)
D. 1/2
E. None of the statements
131. Suppose that the base of the number system is m = 4. Let there be n-bit cell. Point is located between the sign of the digit (the fixed-point number) and the most significant digit. <br/><br/> Minimum in absolute value and a non-zero number can be represented in this way is
A. 1
B. 1/2
C. 1 – 4 (-n)
D. 4<sup>-n</sup>
E. None of the statements
132. Suppose that the base of the number system is m = 2. Let there be n-bit cell. Point is located between the sign of the digit (the fixed-point number) and the most significant digit. <br/><br/> Minimum in absolute value and a non-zero number can be represented in this way is
A. 1/2
B. 1
C. 2darejesinde(-n)
D. 1/2 – 2 <sup>-n</sup>
E. None of the statements
133. Suppose that the base of the number system is m = 16. Let there be n-bit cell. Point is located between the sign of the digit (the fixed-point number) and the most significant digit. <br/><br/>What will be the range of number x?
A. –(1 – 16(-n)≤x≤1- 16(-n)
B. 0≤x≤1- 16<sup>-n</sup>
C. 0<x≤1- 16<sup>-n</sup>
D. 0<x<1-16<sup>-n</sup>
E. None of the statements
134. Suppose that the base of the number system is m = 4. Let there be n-bit cell. Point is located between the sign of the digit (the fixed-point number) and the most significant digit. <br/><br/>What will be the range of number x?
A. 0≤x<1-2<sup>-n</sup>
B. 0≤x<2<sup>-n</sup>
C. –(1 – 4(-n)≤x≤1-4(-n)
D. -1≤x<0
E. None of the statements
135. Suppose that the base of the number system is m = 8. Let there be n-bit cell. Point is located between the sign of the digit (the fixed-point number) and the most significant digit. <br/><br/>What will be the range of number x?
A. 1/2≤x<1-8<sup>-n</sup>
B. 0≤x<1/2
C. 0<x<1/2
D. –(1 – 8(-n)≤x≤1 – 8 (-n)
E. None of the statements