BCS Preparation: কম্পিউটারের মধ্যে কমন আসার মত ৫০০টি তথ্য (পর্ব ০২)

13 Dec 2020

75. The mechanism of digital is- Symbol of number;

76. The task of operating system for hardware and software is- Make bridge;

77. The first calculation machine in the history of computer- Abacus;

78. The storage capacity of RAM cannot be increased;

79. The instruction for starting the computer are housed on- Read Only Memory chip;

80. A destination for data going outside the system is called- Sink;

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 ribbobn”.

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;