True and False
76. Currently, the performance of tasks by robots is based on preprogrammed algorithms.
Answer: True
77. Data can be a number, a word, a picture, or a sound.
Answer: True
78. Strictly defined, a computer is a data processing device.
Answer: True
79. The discrepancy between the “haves� and “have-nots� with regard to computer technology is commonly referred to as the digital society.
Answer: False (digital divide)
80. One of the benefits of becoming computer fluent is being a savvy computer user and consumer and knowing how to avoid viruses, the programs that pose threats to computer security.
Answer: True
81. Trend-spotting programs, developed for business, have been used to predict criminal activity.
Answer: True
82. Employers do not have the right to monitor e-mail and network traffic on employee systems used at work.
Answer: False
83. Clicking on an icon with the mouse is a form of giving an instruction to the computer.
Answer: True
84. Output devices store instructions or data that the CPU processes.
Answer: False (memory)
85. The CPU and memory are located on a special circuit board in the system unit called the motherboard.
Answer: True
86. Nanostructures represent the smallest human-made structures that can be built.
Answer: True
87. The main difference between a supercomputer and a mainframe is that supercomputers are designed to execute a few programs as quickly as possible, whereas mainframes are designed to handle many programs running at the same time (but at a slower pace).
Answer: True
88. Being computer fluent means that you should be able to build a computer yourself.
Answer: False
89. Embedded computers are self-contained computer devices that have their own programming and do not receive input.
Answer: True
90. A Web browser is a special device that is installed in your computer that allows it to communicate with other devices on a network.
Answer: False (network adapter)
91. With a wireless network, it is easier to relocate devices.
Answer: True
92. The most common type of memory that the computer uses to process data is ROM.
Answer: False (RAM)
Matching:
93. Match the following terms with their approximate size:
I. kilobyte A. one million bytes
II. byte B. eight bits
III. gigabyte C. one thousand bytes
IV. megabyte D. one billion bytes
V. terabyte E. one trillion bytes
Answer: C, B, D, A, E
94. Match the following terms with their meanings:
I. printer A. storage device
II. scanner B. output device
III. RAM C. input device
IV. CPU D. a type of memory
V. CD drive E. processor
Answer: B, C, D, E, A
95. Match the following terms with their meanings:
I. mainframe A. the most expensive computers that perform complex calculations extremely rapidly
II. supercomputer B. a computer that provides resources to other computers connected to a network
III. embedded computer C. a large, expensive computer that supports hundreds or thousands of users simultaneously
IV. PDA D. a self-contained computer device that usually performs preprogrammed functions such as temperature control
V. server E. a small mobile computing device
Answer: C, A, D, E, B
96. Match the following terms with their meanings:
I. software A. transforming data into information
II. hardware B. data that has been organized or presented in a meaningful fashion
III. operating system C. any part of the computer that you can physically touch
IV. processing D. a set of computer programs that enables hardware to perform different tasks
V. information E. the most common type of system software, it controls the way in which the computer system functions
Answer: D, C, E,A,B
Posted by:
Dayanand.m.donagapure
Gorta(B)
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