61. Computers use the _____ number system to store data and perform calculations.
a. Decimal
b. Hexadecimal
c. Octal
d. Binary

Option “D” is correct.
A computer system uses bits (binary digits) to denote values. It uses the binary number system to store data. Each digit (0 or 1) is a bit thus the binary number 10110110 is a binary number having 8 bits.
62.
Which of the following is the largest unit of storage?
a.
b.
c.
d.

Option “D” is correct.
Terabyte (TB) = 1,099,511,627,776 or 240 bytes = 1,024 Gigabytes = 1,048,576 Megabytes.
Gigabyte (GB) = 1,073,741,824 or 230 bytes = 1,024 Megabytes = 1,024 Megabytes = 1,048,576 Kilobytes.
Megabyte (MB) = 1,048,576 bytes = 1,024 Kilobytes.
Kilobyte (KB) = 1,024 bytes. Therefore, TB is the largest unit in given memory storage unit.
63. The _____ key will launch the start buttons.
a. Esc
b. Shift
c. Windows
d. Shortcut

Option “C” is correct.
The Windows logo key (also known as Windows key, start key, logo key, flag key, super key, command key or flag) is a keyboard key which was originally introduced on the Microsoft Natural keyboard in 1994. This key became a standard key on PC keyboards. Tapping this key invokes the operating system’s start menu.
64. _______ is the process of finding errors in software code.
a. Compiling
b. Testing
c. Running
d. Debugging

Option “D” is correct.
Debugging is a methodical process of finding and reducing the number of bugs, or defects, in a computer program or software code. Whereas, Testing is the process of finding bugs in already developed software not in software code.
65. To move to the beginning of a line of text, press the _____ key.
a. Home
b. A
c. PageUp
d.

Option “A” is correct.
To move the cursor to the beginning of line: Press “Home” button on keyboard.
66. Two or more computers connected to each other of sharing information form a _____ .
a. Server
b. Router
c. Network
d. Tunnel

Option “C” is correct.
Two or more computers connected to each other of sharing information form a network.
67. Computers that are portable and convenient for users who travel are known as _____
a.
b. Laptops
c.
d.

Option “B” is correct.
A computer portable and easy to carry by travellers is called as laptop. The Portable computer that comes with a keyboard and display and one which can be easily relocated or transported, although less convenient compared to a notebook.
68. Office LANs that are spread geographically apart on a large scale can be connected using a corporate _____ .
a. CAN
b. LAN
c. DAN
d.

Option “D” is correct.
A wide area network (also known as WAN), is a large network of information that is not tied to a single location. WANs can facilitate communication, the sharing of information and much more between devices from around the world through a WAN provider.
69. The code for a Web page is written using _____ .
a.
b.
c. Peripherals
d.

Option “D” is correct.
Hypertext Markup Language (HTML) is the standard markup language for creating web pages and web applications. With Cascading Style Sheets (CSS) and JavaScript.
70. The most frequently used instructions of a computer program are likely to be fetched from:
a.
b.
c. RAM
d. Registers

Option “B” is correct.
Cache memory is the fastest system memory, required to keep up with the CPU as it fetches and executes instructions. The data most frequently used by the CPU is stored in cache memory.
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