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166. Which number system is usually followed in a typical 32-bit computer? A) Binary B) Decimal C) Hexadecimal D) Octal 167. A computer has very low failure rate because it uses electronic components. It produces very consistent results. This is highlighted by which of the feature of computer? A) Accuracy B) Reliability C) Versatility D) Automatic 168. A paper printout of a document is known as A) Softcopy output B) Hardcopy output C) Permanent Output D) All of above 169. Which electronic component was made out of semiconductor material? A) Vacuum tubes B) Transistors C) ICs D) All of above 170. The act of retrieving existing data from memory is called A) Read-out B) Read from C) Read D) All of above 171. Which part of the computer is used for calculating and comparing? A) Disk unit B) Control unit C) ALU D) Modem 172. ABC is a A) Special purpose computer B) General purpose computer C) All Purpose Computer D) None of above 173. The computer code for the interchange of information between terminals is A) ASCII B) BCD C) EBCDIC D) All of above 174. When was the X window system born? A) 1984 B) 1989 C) 1988 D) 1990 175. What is the first stage in software development? A) Specification and design B) Testing C) System Analysis D) Maintenance 176. Which of the following is valid statement? A) Data in itself is useless unless it is processed B) The data that is processed is called a program C) The data which is not yet processed is information D) Information is processed by computer to generate data. 177. The Second Generation Computer was based on ________. A) Vacuum Tube B) Silicon Chips C) Transistor D) Bio Chips 178. EBCDIC stands for A) Extended Binary Coded Decimal Interchange Code B) Extended Bit Code Decimal Interchange Code C) Extended Bit Case Decimal Interchange Code D) Extended Binary Case Decimal Interchange Code 179. Personnel who design, program, operates and maintains computer equipment refers to A) Console-operator B) Programmer C) Peopleware D) System Analyst 180. IBM System/360 is A) Mainframe Computer B) Mini Computers C) Micro Computers D) None of above