Basic Computer Fundamentals
Basic Computer Fundamentals
81. Which of the following memories must be refreshed many times per second?
- Static RAM
- Dynamic RAM
- EPROM
- ROM
83. Which of the following memory medium is not used as main memory system?
- Magnetic core
- Semiconductor
- Magnetic tape
- Both a and b
84. Registers, which are partially visible to users and used to hold conditional, are known as
- PC
- Memory address registers
- General purpose register
- Flags
85. One of the main feature that distinguish microprocessors from micro-computers is
- Words are usually larger in microprocessors
- Words are shorter in microprocessors
- Microprocessor does not contain I/O devices
- Exactly the same as the machine cycle time
86. The least significant bit of the binary number, which is equivalent to any odd decimal number, is:
- 0
- 1
- 1 or 0
- 3
87. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
- Bus control
- Interrupts
- Bus arbitration
- Status
88. When was the world
- Hewlett-Packard
- Epson, 1981
- Laplink traveling software Inc. 1982
- Tandy model-2000, 1985
89. The first microprocessor built by the Intel Corporation was called
- 8008
- 8080
- 4004
- 8800