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WorksheetsBasics of Computer
Total questions: 27
Worksheet time: 20mins
Name
Class
Date
1.
Which of the following is computer hardware?
a)
Microsoft Word
b)
Adobe Acrobat
c)
Keyboard
d)
Minecraft
2.
Which of the following is an input device?
a)
Speaker
b)
Printer
c)
Headphones
d)
Mouse
3.
Which of the following is an output device?
a)
Monitor/Screen*
b)
Joystick
c)
CD-ROM
d)
Microsoft Excel
4.
Which of the following is a storage device?
a)
Pen drive
b)
SIM card
c)
CD-ROM
d)
All of the above
5.
Which of the following is an input device?
a)
A projector screen
b)
A DVD-ROM
c)
A speed camera
d)
An inkjet printer
6.
Which of the following is an output device?
a)
A scanner
b)
A barcode reader
c)
A printer
d)
A microphone
7.
Which of the following is computer software?
a)
A CPU
b)
RAM
c)
Microsoft PowerPoint
d)
ROM
8.
What would be a suitable device to transfer 12 photos from one PC to another?
a)
A USB pen drive
b)
A DVD-ROM
c)
An internal hard disk drive
d)
A scanner
9.
Whats the missing word? INPUT ??????? OUTPUT
a)
Downput
b)
Process
c)
Offput
d)
Data
10.
Computer memory that temporarily stores information is called:
a)
Forgetful
b)
RAM
c)
ROM
11.
Which of the following is likely to be held in Read Only Memory (ROM)?
a)
Start-up instructions used when a PC is switched on
b)
A film loaded from a DVD
c)
A computer game
d)
A document saved by the user
12.
Memory that loses stored data when the computer is turned off is called?
a)
Lossy
b)
Unreliable
c)
Volatile
d)
Non-volatile
13.
What is the function of the Central Processing Unit (CPU)?
a)
To act as a permanent data store
b)
To act as a temporary data store
c)
To fetch, decode and execute instructions
d)
To hold computer programs while they are being used
14.
A single binary digit is known as a
a)
Byte
b)
Bit
c)
Nibble
d)
Bobble
15.
The number system that computers understand is called
a)
Decimal
b)
Denary
c)
Boolean
d)
Binary
16.
How many different binary codes can be represented in 2 bits?
a)
2
b)
4
c)
8
d)
16
17.
ASCII is:
a)
a programming language
b)
a code for representing characters in binary
c)
a type of computer
d)
a method of translating from denary to binary
18.
Which of the following can be represented in ASCII?
a)
Alphabetic characters such as A, B, C
b)
Numeric characters such as 5, 6, 7
c)
“Special” characters such as %, *, &
d)
all of the above
19.
ASCII is:
a)
a programming language
b)
a code for representing characters in binary
c)
a type of computer
d)
a method of translating from denary to binary
20.
Which of the following can be represented in ASCII?
a)
Alphabetic characters such as A, B, C
b)
Numeric characters such as 5, 6, 7
c)
“Special” characters such as %, *, &
d)
all of the above
21.
The sound waves that we hear with our ears are?
a)
Digital
b)
Analogue
c)
Amplitude
d)
Frequency
22.
Sound is stored in digital form using
a)
Recording
b)
Sampling
c)
Grabbing
d)
Capturing
23.
The quality of a sound recording can be improved by taking samples more frequently
a)
True
b)
False
24.
If we take more samples, the sound file will become?
a)
Louder
b)
Smaller
c)
Quieter
d)
Larger
25.
The tiny dots which make up the images that we see on a computer are called?
a)
Pixies
b)
Pixels
c)
Dots
d)
Bits
26.
Each pixel contains binary number which represents?
a)
A file name
b)
A file size
c)
A frequency
d)
A colour
27.
The more pixels that a picture contains, the ????????? the file size
a)
Smaller
b)
Larger
c)
Faster
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