Computer Fundamental Miscellaneous - Study Mode

[#676] When did IBM close the last of its punched card manufacturing plant?
Correct Answer

(B) December, 1984

Explanation

Solution: In December, 1984 IBM close the last of its punched card manufacturing plant. Semen Korsakov was the first to use punch cards in informatics for information store and search.

[#677] The monitor of a computer is connected to it by a
Correct Answer

(B) Cable

Explanation

Solution: All computer monitors have at least two cables, a power cable and a data cable. The power cable connects to the power outlet, or better, a surge protector, and is what allows the monitor to turn on. The other cable is a data cable and is what allows the picture (data) from your computer to be displayed.

[#678] In a punched card system, data is processed by a
Correct Answer

(D) accounting machine, keypunch machine, and sorter

Explanation

Solution: In a punched card system, data is processed by an accounting machine, keypunch machine, and sorter. Computer punched card reader a computer input device used to read executable computer programs and data from punched cards under computer control.

[#679] A single bus structure is primarily found in
Correct Answer

(D) Mini-and micro-computers

Explanation

Solution: Minicomputers are small computers that were introduced in 1960 and are used for various business enterprises and scientific applications work. Microcomputers are kind of personal computers that are used for much general-purpose work and are introduced in 1970 to overcome most of the tasks.

[#680] What is the highest address possible if 16 bits are used for each address?
Correct Answer

(A) 65536

Explanation

Solution: The highest address possible if 16 bits are used for each address 65536 . For example, with a 16-bit address register, the address bus has 16 bits to address RAM and ROM. With 16 bits, a maximum of 216 = 65,536 words can be addressed. There are usually two other registers, the flag and stack pointer registers.