Technology MCQs

The IBM PC-XT was the first to include a hard drive. What was the capacity of this disk?

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A. 20 MB
B. 1.44 MB
C. 10 MB
D. 750 KB
✅ The correct answer is option C.
The original IBM PC used 5.25-inch floppy disks to store its operating system and programs. IBM referred to the new hard disk as a Fixed Disk. Today, even a the operating system wont fit on a 10 MB disk.

In which decade was the telephone invented?

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A. 1850s
B. 1860s
C. 1870s
D. 1880s
✅ The correct answer is option C.
Alexander Graham Bell’s notebook entry of 10 March 1876 describes his successful experiment with the telephone. Speaking through the instrument to his assistant, Thomas A. Watson, in the next room, Bell utters these famous first words, “Mr. Watson — come here — I want to see you”.

In a color television set using a picture tube a high voltage is used to accelerate electron beams to light the screen. That voltage is about?

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A. 500 volts
B. 5 thousand volts
C. 25 thousand volts
D. 100 thousand volts
✅ The correct answer is option B.
The flyback is usually connected to the system that pulls the electron beam across the screen in one direction to ‘paint’ a line of the image and then returns in the other direction much faster.

The Central Processing Unit is an embeded chip that acts as the ‘brains’ of a computer. What Intel chip was used in the Altair (the first real personal computer)?

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A. 6502
B. 8080
C. 6400
D. 8286
✅ The correct answer is option B.
The Intel 8080 was a jazzed-up calculator chip. It was included in microcomputer kits which were little more than demonstration tools and did little except blink lights. Besides the 8080 chip, the Altair included a power supply, a front panel with a large number of lights and 256 bytes (not kilobytes) of memory. The kit sold for {$395} and had to be assembled.