Computer Basic Information The ALU of a central processing unit does the essential maths work for the computer. What does the control unit do? None of these Control the printer Monitors the flow of information Activates the output device Communicates its results None of these Control the printer Monitors the flow of information Activates the output device Communicates its results ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A typical modern computer uses Valves All listed here None of these Vacuum tubes LSI chips Valves All listed here None of these Vacuum tubes LSI chips ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Hardware or software designed to guard against unauthorized access to a computer network is known as a(n): Hacker-proof program Encryption safe wall Firewall Hacker-resistant server Hacker-proof program Encryption safe wall Firewall Hacker-resistant server ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Those microcomputers which have the same operating characteristics as the IBM microcomputers are called IBM copies duplicates None of these clones look alikes copies duplicates None of these clones look alikes ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information In which of the following terminals the screen is regarded as an array of pixels, where each pixel is either on or off? Bit map terminal None of these Character map terminal RS-232 C terminal All of these Bit map terminal None of these Character map terminal RS-232 C terminal All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information "Zipping" a file means All of these None of these Transfer the message Compressing the message Encrypting the message All of these None of these Transfer the message Compressing the message Encrypting the message ANSWER DOWNLOAD EXAMIANS APP
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