11th class Computer unit 1 MCQs
151. Which of the following is the largest data unit?
a. Kilobyte
b. Gigabyte
c. Terabyte
d. Megabyte
152. How many bits are in one byte?
a. 10
b. 2
c. 12
d. 8
153. The combination of four binary digits is a:
a. Nibble
b. Bit
c. Word
d. Byte
154. 3 bytes is equal to:
a. 24 bits
b. 16 bits
c. 30 bits
d. 20 bits
155. Collection of 4 bits is called:
a. 1MB
b. Byte
c. Nibble
d. 1 KB
156. Smallest unit of memory is called:
a. Nibble
b. Bit
c. KB
d. Byte
157. One MB is equal to:
a. 1024byte
b. 1KB
c. 1024KB
d. 100KB
158. TB is approximately:
a. 1024GB
b. 1000 KB
c. B and c
d. 1024MB
159. GB is approximately:
a. 100TB
b. 1000KB
c. 1024MB
d. B and c
160. Which of the following is ranked from smallest to largest?
a. GB,KB,MB,TB
b. KB,MB,TB,GB
c. KB,MB,GB,TB
d. MB,TB,GB,KB
161. The number of bits a computer can process at one time is sometime called:
a. Bit size
b. Bit strength
c. Word size
d. Crunch capacity
162. A gigabyte is equal to:
a. 1024×1024 megabytes
b. One thousand kilobytes
c. One million megabytes
d. 1024 megabytes
163. Which of the following is the largest unit of data?
a. Terabyte
b. Bit
c. Kilobyte
d. Byte
164. The binary number 1 or 0 is represented by a:
a. Bit
b. Character
c. Byte
d. Word
165. A bit can represent how many different values?
a. 2
b. 0
c. 1
d. 3
166. The meaning of the value of a bit is:
a. Yes or no
b. On or off
c. One or zero
d. All
167. A binary signal can be sent using:
a. Three bits
b. On bit
c. Four bits
d. Two bits
168. A group of bits can represent:
a. Sounds
b. Characters
c. Colors
d. All
169. How many characters of data does a byte usually represent?
a. 3
b. 1
c. 4
d. 2
170. Which of the following has the largest capacity?
a. Gigabyte
b. Megabyte
c. Kilobyte
d. Terabyte
171. TB stands for:
a. Tera base
b. Terabyte
c. Test byte
d. Terabit
172. DW stands for:
a. Double width
b. Double word
c. Digital word
d. Double wide
173. MB stands for:
a. Mechanical base
b. Mega byte
c. Magnetic base
d. Mega bit
174. The last stage of SDLC is:
a. System Maintenance
b. System Development
c. Execution in Computer
d. System Implementation
175. What comes after the Design Phase in SDLC?
a. Analysis
b. Coding
c. Implementation
d. Testing