Computer Basic Information What is the most common tool used to restrict access to a computer system? Passwords User log in Computer keys Access-control software Passwords User log in Computer keys Access-control software ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which of the following memories must be refreshed many times per second? ROM None of these EPROM Dynamic RAM Static RAM ROM None of these EPROM Dynamic RAM Static RAM ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information What is the minimum number of operations required, for a microprocessor with 8 data pins, to read a 32-bit word? 4 2 8 1 None of these 4 2 8 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information First generation computers are characterised by Magnetic tape and transistors All of these Minicomputers Vacuum tubes and magnetic drum None of these Magnetic tape and transistors All of these Minicomputers Vacuum tubes and magnetic drum None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A storage area used to store data to compensate for the difference in speed at which the different units can handle data is Accumulator Memory None of these Address Buffer Accumulator Memory None of these Address Buffer ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The first computer mouse was built by Oaniel Coogher William English Robert Zawacki Douglas Engelbart Oaniel Coogher William English Robert Zawacki Douglas Engelbart ANSWER DOWNLOAD EXAMIANS APP
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