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Premid Examination - Intro. to Computing

Total questions: 50

Worksheet time: 2hrs 50mins

Name
Class
Date
1.
Which part of the computer is considered the “brain” of the system?
a)
RAM
b)
CPU
c)
Hard Disk
d)
Motherboard
2.
The physical components of a computer are called:
a)
Software
b)
Data
c)
Hardware
d)
Peripherals
3.
Which of the following is NOT an input device?
a)
Keyboard
b)
Mouse
c)
Printer
d)
Scanner
4.
A program or set of instructions that tells the computer what to do is called:
a)
Memory
b)
Hardware
c)
Software
d)
Processor
5.
The main circuit board of a computer is also known as:
a)
CPU
b)
System Unit
c)
Motherboard
d)
Chipset
6.
Which storage device uses laser technology to read/write data?
a)
Hard Disk
b)
Magnetic Tape
c)
Optical Disk
d)
Floppy Disk
7.
Which is the correct hierarchy of storage units (smallest to largest)?
a)
Bit → Byte → KB → MB → GB → TB
b)
Byte → Bit → MB → KB → GB
c)
KB → Bit → Byte → GB → MB
d)
MB → KB → Bit → Byte → TB
8.
A floppy disk is also called:
a)
Hard Drive
b)
Flash Drive
c)
Diskette
d)
Optical Disk
9.
Which type of memory is temporary and loses its contents when power is off?
a)
ROM
b)
RAM
c)
CD-ROM
d)
Hard Drive
10.
Which of the following stores data permanently, even without power?
a)
ROM
b)
RAM
c)
Cache
d)
Registers
11.
The binary system uses how many symbols?
a)
2
b)
8
c)
10
d)
16
12.
One byte is equal to:
a)
2 bits
b)
4 bits
c)
8 bits
d)
16 bits
13.
What does “b” stand for in Kb?
a)
Byte
b)
Bit
c)
Bandwidth
d)
Bus
14.
Which device is used to connect a computer to the internet through telephone lines?
a)
Router
b)
Modem
c)
Network Card
d)
Switch
15.
The CPU is often called the computer’s:
a)
Memory
b)
Brain
c)
Heart
d)
Storage
16.
Which device outputs hard copies of documents?
a)
Scanner
b)
Monitor
c)
Printer
d)
Webcam
17.
Which type of printer uses powdered toner?
a)
Inkjet
b)
Dot Matrix
c)
Laser
d)
Thermal
18.
A device that combines headphones and a microphone is called:
a)
Speaker
b)
Headset
c)
Webcam
d)
Sound Card
19.
Which card is responsible for displaying images on the monitor?
a)
Sound Card
b)
Network Card
c)
Video Card
d)
Modem
20.
The smallest unit of information in a computer is:
a)
Byte
b)
Word
c)
Bit
d)
Nibble
21.
What is the main function of the power supply unit?
a)
Store data
b)
Process instructions
c)
Convert AC to DC
d)
Display images
22.
The temporary storage used by the CPU while processing data is:
a)
ROM
b)
Hard Drive
c)
RAM
d)
Flash Drive
23.
A system board is also called:
a)
Power Supply
b)
Microprocessor
c)
Motherboard
d)
USB Board
24.
Which device captures images or video in real time?
a)
Scanner
b)
Webcam
c)
Microphone
d)
Speaker
25.
A device that forwards data packets between networks is called:
a)
Switch
b)
Router
c)
Hub
d)
Bridge
26.
Embedded computers are:
a)
General-purpose devices
b)
Special-purpose inside larger products
c)
Supercomputers
d)
Desktop PCs
27.
The brain of the computer is located in the:
a)
Motherboard
b)
CPU
c)
RAM
d)
Hard Drive
28.
Which is an example of computer output?
a)
Mouse click
b)
Report printed on paper
c)
Keyboard input
d)
Scanned image
29.
Which of the following is NOT a storage device?
a)
Hard Drive
b)
CD-ROM
c)
Flash Drive
d)
Mouse
30.
A binary digit is also called a:
a)
Byte
b)
Bit
c)
Nibble
d)
Word
31.

The enclosure that contains the main components of the computer.

(a)  

32.

Temporary memory, also called “working memory,” that loses its contents when power is off.

(a)  

33.

Permanent memory pre-written during manufacture and not erased when power is off.

(a)  

34.

A small, removable magnetic storage device, also called a floppy disk.

(a)  

35.

A device that converts sound into digital signals for the computer.

(a)  

36.

A device that reads/writes data using laser technology.

(a)  

37.

The number system that computers use internally.

(a)  

38.

A unit equal to 1024 megabytes.

(a)  

39.

The component that connects all parts of the computer so they can work together.

(a)  

40.

The smallest unit of digital information in computing.

(a)  

41.

Convert 145 to binary.

(a)  

42.

Convert 256 to binary.

(a)  

43.

Convert 375 to binary.

(a)  

44.

Convert 512 to binary.

(a)  

45.

Convert 850 to binary.

(a)  

46.

Convert 11001011 to decimal.

(a)  

47.

Convert 111110100 to decimal.

(a)  

48.

Convert 101010101 to decimal.

(a)  

49.

Convert 1001110001 to decimal.

(a)  

50.

Convert 1111100111 to decimal.

(a)  

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