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A computer’s word size is the

• length of an instruction
• maximum number of characters in a typed word
• storage capacity of the computer’s memory
• number of bits that the CPU can manipulate at one time

Flash memory' is a type of

• ROM
• RAM
• EEPROM
• EPROM

What type of computer system is usually used for weather forecasting?

• Micro computers
• Work stations
• Mainframe computers
• Super computer

What is the 4-bit two's complement of 8?

• 0111
• 1010
• 1000
• 1011

Which of the following devices is. used to store permanent binary information?

• ROM
• RAM
• PROM
• EPROM

Which of the following devices would help prevent data loss in the event of an electrical outage?

• Power strip
• Surge protector
• UPS
• Voltage regulator

Which of the following statements about logic gates are FALSE? I. A NOT gate can have one or more inputs, but only one output. II. A NOR gate can have only one input and only one output. 111. A NOR gate can have one or more inputs, but only one output

• I and II only
• I and III only
• II and III only
• I, II and III

Which of the following components consists of very high speed memory?

• ALU
• CU
• Registers
• RAM

Which one of the following logic gate ONLY take one input?

• NOT
• AND
• OR
• NOR