Q. 1
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
Who invented the microprocessor?
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Step-by-Step Explanation & Concept Rationale
Marcian "Ted" Hoff (often spelled Marcian E. Huff or Hoff) was an engineer at Intel who conceived the architecture for the Intel 4004 in 1969. Alongside Federico Faggin and Stan Mazor, he successfully created the world's first commercial, single-chip microprocessor, which was released in 1971.
Q. 2
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
When was the world's first laptop computer introduced in the market and by whom?
💡
Step-by-Step Explanation & Concept Rationale
The Epson HX-20 is widely regarded as the first laptop computer.
Q. 3
Computer Aptitude Test
Difficulty: Hard
(1 Mark)
The first microprocessor built by the Intel Corporation was called:
💡
Step-by-Step Explanation & Concept Rationale
The Intel 4004 was released in 1971 as a 4-bit central processing unit.
Q. 4
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
Who built the world's first electronic calculator using telephone relays, light bulbs and batteries:
💡
Step-by-Step Explanation & Concept Rationale
George Stibitz developed the Complex Number Calculator at Bell Labs in 1937.
Q. 5
Computer Aptitude Test
Difficulty: Hard
(1 Mark)
Who developed a mechanical device in the 17th century that could add, subtract, multiple, divide and find square root?
💡
Step-by-Step Explanation & Concept Rationale
Gottfried Wilhelm Leibniz invented the "Step Reckoner" in 1673, which performed all four arithmetic operations.
Q. 6
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
The digital computer was developed primarily in:
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Step-by-Step Explanation & Concept Rationale
Major early digital computers like ENIAC and Harvard Mark I were developed in the United States.
Q. 7
Computer Aptitude Test
Difficulty: Hard
(1 Mark)
The first machine to successfully perform a long series of arithmetic and logical operations was:
💡
Step-by-Step Explanation & Concept Rationale
The ASCC (Harvard Mark I) was the first large-scale automatic digital computer in the USA.
Q. 8
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
The first firm to mass-market a microcomputer as a personal computer was:
💡
Step-by-Step Explanation & Concept Rationale
(Note: "Shaks" is a typo for Shack). Radio Shack's TRS-80 was a pioneer in mass-marketed PCs.
Q. 9
Computer Aptitude Test
Difficulty: Hard
(1 Mark)
In 1830, Charles Babbage designed a machine called the analytical engine, which he showed, at the parts exhibition. In which year was it exhibited?
💡
Step-by-Step Explanation & Concept Rationale
While Charles Babbage spent decades designing, modifying, and trying to secure funding for the Analytical Engine, a small trial portion of the engine's mechanical assembly—along with schematic drawings and conceptual components—was prominently showcased at the Paris Universal Exposition (Exposition Universelle) in 1855. This event allowed scientists and engineers from around the world to witness his progress in mechanical computing architecture.
Q. 10
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
Which was the world's first minicomputer and when was it introduced?
💡
Step-by-Step Explanation & Concept Rationale
The PDP-1 was the first computer in Digital Equipment Corporation's PDP series. The PDP-1 (Programmed Data Processor-1), built by Digital Equipment Corporation (DEC), is historically recognized as the foundation for the "minicomputer" class. While its physical design began in 1958–1959 and commercial shipments peaked around 1960, multiple-choice questionnaires traditionally list 1958 alongside PDP-I as the correct matched pair for this milestone. It changed the industry by shifting away from massive mainframes toward smaller, interactive, and more affordable systems.
Q. 11
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
UNIVAC is:
💡
Step-by-Step Explanation & Concept Rationale
UNIVAC was the first general-purpose electronic digital computer design for business applications.
Q. 12
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
IBM 1401 is:
💡
Step-by-Step Explanation & Concept Rationale
The 1401 was a transistor-based (second generation) mainframe computer.
Q. 13
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
The first computer introduced in Nepal was:
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Step-by-Step Explanation & Concept Rationale
The IBM 1401 was brought to Nepal for the 1971 census.
Q. 14
Computer Aptitude Test
Difficulty: Hard
(1 Mark)
Which of the following is first generation of computer:
💡
Step-by-Step Explanation & Concept Rationale
EDSAC was one of the earliest stored-program electronic digital computers.
Q. 15
Computer Aptitude Test
Difficulty: Hard
(1 Mark)
Chief component of first generation computer was:
💡
Step-by-Step Explanation & Concept Rationale
Early computers used large vacuum tubes which produced significant heat and required frequent replacement.
Q. 16
Computer Aptitude Test
Difficulty: Hard
(1 Mark)
Second Generation computers were developed during:
💡
Step-by-Step Explanation & Concept Rationale
The period defined by the transition from vacuum tubes to transistors.
Q. 17
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
The computer size was very large in:
💡
Step-by-Step Explanation & Concept Rationale
First-generation computers like ENIAC occupied entire rooms.
Q. 18
Computer Aptitude Test
Difficulty: Hard
(1 Mark)
Microprocessors as switching devices are for which generation computers:
💡
Step-by-Step Explanation & Concept Rationale
Microprocessors characterized the fourth generation, enabling personal computers.
Q. 19
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
Who designed the first electronics computer - ENIAC?
💡
Step-by-Step Explanation & Concept Rationale
Designed at the University of Pennsylvania, ENIAC was the first programmable electronic digital computer.
Q. 20
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
Who invented the high level language?
💡
Step-by-Step Explanation & Concept Rationale
Ritchie created the C programming language at Bell Labs.
Q. 21
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
When did arch rivals IBM and Apple Computers Inc decide to join hands?
💡
Step-by-Step Explanation & Concept Rationale
The historic alliance was formed in 1991 to develop new computer technologies.
Q. 22
Computer Aptitude Test
Difficulty: Hard
(1 Mark)
IMB launched its first personal computer called IBM-PC in 1981. It had chips from Intel, disk drives from Tandon, operating system from Microsoft, the printer from Epson and the application software from everywhere. Can you name the country which contributed the video display?
💡
Step-by-Step Explanation & Concept Rationale
This question highlights the massive global outsourcing strategy that IBM used to build the original IBM PC (Model 5150) under intense deadlines. To cut down on production time and costs, they heavily relied on components from international suppliers rather than building everything in-house.
As part of this diverse ecosystem, the electronic hardware assembly and manufacturing contract for the video display subsystem/monitor architecture was attributed to suppliers based in Taiwan.
As part of this diverse ecosystem, the electronic hardware assembly and manufacturing contract for the video display subsystem/monitor architecture was attributed to suppliers based in Taiwan.
Q. 23
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
Super Computer was invented by:
💡
Step-by-Step Explanation & Concept Rationale
While modern history universally recognizes Seymour Cray as the true "father of supercomputing" for designing milestone machines like the CDC 6600 and the Cray-1, the most nearest answer from given choices refers directly to J.H. Van Tassel
Q. 24
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
Bill Gates is more well-known as:
💡
Step-by-Step Explanation & Concept Rationale
Bill Gates co-founded and built Microsoft into a global software leader.
Q. 25
Computer Aptitude Test
Difficulty: Medium
(1 Mark)
Which American computer company is called Big Blue?
💡
Step-by-Step Explanation & Concept Rationale
IBM earned the nickname "Big Blue" due to its blue logo and the blue suits of its personnel. International Business Machines (IBM) has been widely known by the nickname "Big Blue" for decades. There are a few theories behind the name: it heavily references the signature corporate blue color used across IBM's logo, branding, and typewriter products, as well as the distinctive blue color scheme of the massive mainframe computer installations they manufactured during the mid-to-late 20th century.
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