DIGITAL COMPUTER ELECTRONICS QUIZ

What was the name of the first commercially available micro-processor chip?

Intel 4004

Intel 8008

None of these

Intel 8080

Motorola 6809

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The input unit of a computer

retrieves data from CPU

feeds data to the CPU or memory

All of these

None of these

directs all other units

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The symbols used in an assembly language are

Mnemonics

Assembler

Codes

All of these

None of these

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Which of the following printer can be classified as a page-at-a-time printer?

Dot-matrix printer

None of these

Inkjet printer

Thermal printer

Laser printer

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An adder in which the bits of the operands are added one after another is

Serial adder

All of these

Full-adder

None of these

Half-adder

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When an input electrical signal A=10100 is applied to a NOT gate, its output signal is

None of these

10001

1011

101

10101

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Third generation computers

None of these

were the first to use neural network

were the first to use built-in error detecting devices

used transistors instead of vacuum tubes

All of these

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The accuracy of the floating point numbers representable in two 16 bit words of a computer is approximately

All of these

6 digits

16 digits

4 digits

None of these

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The first electronic general purpose digital computer built by Mauchly and Eckert called ENIAC did not work on the stored program principle. How many numbers could it store in its internal memory?

100

40

80

None of these

20

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A large computer designed to handle complex scientific calculations

None of these

will not use numbered address locations

will likely require a character addressable storage unit

may use only a firmed word-length storage approach

must use fixed length words of four character each

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