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Input Devices
The topmost row of keys on a standard keyboard contains which type of keys, and what is the longest key on the keyboard?
The topmost row on a standard keyboard contains the function keys (F1, F2, etc.), and the longest key on the keyboard is the space bar.
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History Of Computers
Who developed the first electronic computer?
The first electronic digital computer was developed by John Vincent Atanasoff along with Clifford Berry, known as the Atanasoff–Berry Computer (ABC). It was an early experimental machine designed for solving linear equations and is considered a precursor to modern computers.
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Computer Abbreviations
The computer abbreviation KB usually means?
In computing, KB stands for Kilobyte, which is a unit of digital information storage equal to 1024 bytes. The other options do not represent standard computer abbreviations for KB.
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Data Storage Units
One megabyte (MB) is equal to?
In computing, 1 megabyte (MB) is commonly defined as 1024 kilobytes (KB) in the binary system used by most operating systems. Since 1 KB = 1024 bytes, this makes 1 MB = 1024 × 1024 bytes. Although decimal systems may use 1000 KB, the standard computer-based definition is 1024 KB.
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Ms Office Applications
Name the desktop database application that is part of the MS Office suite.
MS Access is the desktop database application included in the Microsoft Office suite. It is specifically designed for creating and managing databases, unlike Excel or PowerPoint.
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Major Computer Hardware Companies
Which is the largest computer hardware company among the following?
HP (Hewlett-Packard) is one of the largest computer hardware companies in the world, known for producing a wide range of computers and related hardware. Microsoft is primarily a software company, and MySpace is a social networking site.
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Electro-Mechanical Computer
When was the first electro-mechanical computer developed?
The first electro-mechanical computer, the Harvard Mark I (also known as the IBM Automatic Sequence Controlled Calculator), was developed in 1944. This machine used both electrical and mechanical components to perform calculations.
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Ibm Microcomputers
When was the first IBM microcomputer with a 16-bit microprocessor introduced?
The first IBM microcomputer with a 16-bit microprocessor, known as the IBM Personal Computer (IBM PC), was introduced in 1981.
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Data Processing Device
Which device is used to process data?
The CPU (Central Processing Unit) is the primary device in a computer responsible for processing data and executing instructions. The other options (RAM, DCU, VDU) do not process data in the same way.
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Computer Generations
Which generation of computers used transistors for the first time?
Second generation computers used transistors for the first time, replacing vacuum tubes used in the first generation. This made computers smaller, faster, and more reliable.