All Questions page - 346

Factor: 16w3 – u4w3

Factor: 3x4y3 – 48y3.

What is the radius of a circle that has a circumference of 3.14 meters?

simplify: 5n(2n3+n2+8)+n(4-n).

Simplify: 4y(y2-8y+6)-3(2y3-5y2+2)

Find the area, diameter = 12m.

Find the area, radius = 8cm.

Simplify:

4x2(x+2)+3x(5x2+2x-6)-5(3x2-4x).

Factoring with repeated of the difference of square formula. Factor the answer completely.

3y4 – 3u4y4.

Every component of your computer is either

(A) Input devices or output devices

(B) Application software or system software

(C) Software or CPU/RAM

(D) Hardware or software

To provide electronic circuits, first-generation computers used

(A) Large-scale integrated circuits

(B) Integrated circuits

(C) Transistors

(D) Vacuum tubes

Which of the following groups have only input devices?

(A) Mouse, Keyboard, Scanner

(B) Mouse, Keyboard, Printer

(C) Mouse, Keyboard, Monitor

(D) None of these

A _____ can make it easier to play games.

(A) Pen

(B) Keyboard

(C) Mouse

(D) Joystick

To make the number pad act a directional arrow, we press

(A) Shift

(B) Arrow lock

(C) Caps lock

(D) Num lock

Which of these keys is not on the number keypad?

(A) Num Lock

(B) Enter

(C) Del

(D) Ctrl

Cache and main memory will lose their contents when the power is off. They are

(A) Non-volatile

(B) Volatile

(C) Static

(D) Dynamic

The binary equivalent of the Hexadecimal number 7BD is

(A) 101110111101

(B) 111010111101

(C) 11110111101

(D) All of these

CDs are of which shape?

(A) Information

(B) Round

(C) Rectangular

(D) Square