51.
The first computer mouse was built by-
a.
b.
c.
d.

Option “A” is correct.
The computer mouse as we know it today was invented and developed by Douglas Engelbart, with the assistance of Bill English, during the 1960’s and was patented on November 17, 1970.

While creating the mouse, Douglas was working at the Stanford Research Institute in Menlo Park, California, a think tank sponsored by Stanford University. The mouse was originally referred to as an “X-Y Position Indicator for a Display System” and was first used with the Xerox Alto computer system in 1973.
52. Which of the following refers to the memory in your computer?
a. RAM
b. DSL
c. USB
d. LAN

Option “A” is correct.
Computer memory is of two basic types – Primary memory (RAM and ROM) and Secondary memory (hard drive, CD, etc). Random Access Memory (RAM) is primary-volatile memory and Read Only Memory (ROM) is primary-non-volatile memory.
53. When you are working on a document on PC, where is the document temporarily stored?
a. RAM
b. ROM
c. CPU
d.

Option “A” is correct.
The document temporarily store in RAM. It is is a part of your computer that it uses while it’s powered on. Your computer stores everything that it’s thinking about in RAM.
54.
Information travels between components on the mother board through-
a.
b. CMOS
c. Bays
d. Buses

Option “D” is correct.
Information travels between components of motherboard through buses.
55. How are data organized in a spreadsheet?
a.
b.
c.
d.

Option “D” is correct.
Columns and Rows. The standard arrangement is categories along the top of columns and records down the rows. For example, stock purchases has categories of date, item, supplier, cost, cash/credit. Then each purchase is entered down the rows.
56. The _____ of a system includes the programs or instructions.
a. Hardware
b. Icon
c. Information
d.

Option “D” is correct.
Software comprises the entire set of programs, procedures, and routines associated with the operation of a computer system. The term was coined to differentiate these instructions from hardware the physical components of a computer system.
57.
‘www’ stands for _____
a.
b.
c.
d.

Option “B” is correct.
The World Wide Web (WWW), also called the Web, is an information space where documents and other web resources are identified by Uniform Resource Locators (URLs), interlinked by hypertext links, and accessible via the Internet. English scientist Tim Berners-Lee invented the World Wide Web in 1989.
58. What menu is selected to cut, copy, and paste?
a. File
b. Tools
c. Special
d. Edit

Option “D” is correct.
The cut command removes the selected data from its original position, while the copy command creates a duplicate, in both cases the selected data is kept in temporary storage. The data from the clipboard is later inserted wherever a paste command is issued. Cut, Copy and Paste option are found in the edit menu.
59. You can use the tab key to-
a.
b.
c.
d.

Option “B” is correct.
In word processing, the word indent is used to describe the distance, or number of blank spaces used to separate a paragraph from the left or right margins.
A tab is an indentation at the beginning of a line of text to signify a new paragraph in a document or to help create equal spacing between multiple lines. When formatting marks are visible, tabs are represented by an arrow, as shown in the example picture to the right.
60. The most important or powerful computer in a typical network is _____
a. Desktop
b.
c.
d.

Option “C” is correct.
A network server is a powerful computer that provides various shared resources to workstations and other servers on a network. The shared resources can include disk space, hardware access and email services.
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