11th class Computer Unit 5 MCQs
126. The size of DI,SI,SP and BP stack control register is:
a. 6 bytes
b. 2 bytes
c. 8 bytes
d. 4 bytes
127. Which of the following is not a type of register?
a. Accumulator
b. Program counter
c. Math coprocessor
d. Segment
128. ……… transfers data between main memory and I/O devices without using CPU?
a. BRA
b. DDA
c. DMA
d. Port
129. Which register holds base location of all executable instructions in the program?
a. ES
b. CS
c. SS
d. DS
130. Which register is used for arithmetic and data operations?
a. CX
b. AX
c. DX
d. BX
131. The order of stack is:
a. GIGO
b. FIFO
c. FIGO
d. LIFO
132. The step that obtains the next instruction from memory is called:
a. Get
b. Read
c. Decode
d. Fetch
133. The step that performs the actions given in the instruction is called:
a. Decode
b. Fetch
c. Execute
d. Calculate
134. If memory location is to be read, CPU places address in:
a. PC
b. MAR
c. Accumulator
d. MBR
135. What happens first when CPU executes an instruction?
a. Execute instruction
b. Instruction fetch
c. Decode instruction
d. All
136. The step that translates instruction into individual commands is called:
a. Decode
b. Fetch
c. Execute
d. Translate
137. Which of the following is not a machine instruction?
a. END
b. MOV
c.
d. B and C
138. Which is used for backup?
a. ROM
b. RAM
c. Register
d. Hard disk
139. An additional copy of your stored on storage media is called:
a. Moving of data
b. Backup of data
c. Transferring data
d. Set of data
140. Computer cannot boot if it does not have:
a. Interpreter
b. Compiler
c. Linker
d. Operating system
141. The extension of an executable files is:
a. bat
b. .xls
c. .exe
d. .doc
142. The output of computer is:
a. Linked code
b. Program
c. Object code
d. Sources code
143. Programs syntax errors and detected by:
a. Loader
b. Compiler
c. Debugger
d. Linker
144. Language translators of ……… types.
a. 4
b. 1
c. 5
d. 3
145. The output of the compiler is:
a. Linked code
b. Source code
c. Encode
d. Object code
146. How many types of language processors are there?
a. 5
b. 2
c. 3
d. 4
147. Checking a computer program for errors is called:
a. Bugging
b. Correcting
c. Debugging
d. Running
148. A program’s syntax errors are detected by:
a. Loader
b. Compiler
c. Debugger
d. Linker
149. How many types of language translator are there?
a. 3
b. 1
c. 4
d. 2
150. Types of translation are:
a. Assemblers
b. Compilers
c. Interpreters
d. All
151. A translator is best described as:
a. Hardware
b. Application software
c. Package software
d. System software
152. A computer program that converts an entire program into machine language at one time is called:
a. Compiler
b. Interpreter
c. Commander
d. Simulator
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