কম্পিউটার ও তথ্যপ্রযুক্তি (Computer and Information Technology)
81. In a computer system there are 4 parts;
82. Unwanted e mail- Spam;
83. The word ‘Computer’ came from Geek;
84. The process of starting of resting a computer is – Boot;
85. The ability to have a number of applications running at the same time is called – Integrated;
86. In general, “My Document” is located at- C drive;
87. In general, letter D is considered [except A, B & C] for Hard Disk Drive;
88. Hard disk is a auxiliary drive;
89. Keyboard is used to store data;
90. Register is a part of CPU;
91. The printers usually used in office work- Dot matrix, Inkjet, LASER;
92. A dot matrix printer prints with “pin and ribbon”.
93. The term “Hard copy” means- Printed copy;
94. The best chart for showing parts of a whole- Pie;
95. A separate file sent as part of an email message is called a/an- attachment;
96. Computer memory is normally measured in Gigabytes;
97. Time to spin the needed data under head- Latency time;
98. Time to position the head over proper track- Seek time;
99. Access time is Seek time + Latency time;
100. The smallest power interruption that can cause memory errors or cause the computer to
lock up- 1/200 seconds;
101. Properly arranged data is called- Information;
102. Another word for a Daisy Wheel Printer- Golf ball printer.
103. The wheel of mouse can make it easier scroll through documents;
104. First program of Microsoft- DOS;
105. MS-DOS is operating system for IBM PCs;
106. DOS is not a multi user multi taking operating system;
107. ‘DOS’ floppy disc does not have virtual memory;
108. Text based operating system- DOS,UNIX (for mainframe computer);
109. Mac Operating System is compatible for Macintosh computer;
110. The disk contains operating system is called- start up disk;
111. Cache- related to memory of a computer;
112. Cache memory have the shortest access time;
113. The computer that has no hard disc storage but sends input and receives output from the
server is knows as- Host;
114. Binary system is used to store data in a computer;
115. Example of optical storage device (auxiliary memory)- Hard Disk, CD, DVD, Pen Drive;
116. USA is the inventor of Internet in 1969. Invented by- Vinton Gray Cerf;
117. The predecessor of modern internet- Arpanet (Advance Research Project Agency Network);
118. Web browser is used to display web contents;
119. Popular Web browsers- Mozilla Firefox, Opera, Google chrome, Internet Explorer;
120. Search engines searches websites by keyword(s);
